diff --git a/app/app.php b/app/app.php
index c26821bd5..64a496756 100644
--- a/app/app.php
+++ b/app/app.php
@@ -34,9 +34,9 @@ $deletes = new Event('v1-deletes', 'DeletesV1');
  * Get All verified client URLs for both console and current projects
  * + Filter for duplicated entries
  */
-$clientsConsole = array_map(function ($node) {
+$clientsConsole = \array_map(function ($node) {
         return $node['hostname'];
-    }, array_filter($console->getAttribute('platforms', []), function ($node) {
+    }, \array_filter($console->getAttribute('platforms', []), function ($node) {
         if (isset($node['type']) && $node['type'] === 'web' && isset($node['hostname']) && !empty($node['hostname'])) {
             return true;
         }
@@ -44,9 +44,9 @@ $clientsConsole = array_map(function ($node) {
         return false;
     }));
 
-$clients = array_unique(array_merge($clientsConsole, array_map(function ($node) {
+$clients = \array_unique(\array_merge($clientsConsole, \array_map(function ($node) {
         return $node['hostname'];
-    }, array_filter($project->getAttribute('platforms', []), function ($node) {
+    }, \array_filter($project->getAttribute('platforms', []), function ($node) {
         if (isset($node['type']) && $node['type'] === 'web' && isset($node['hostname']) && !empty($node['hostname'])) {
             return true;
         }
@@ -63,11 +63,11 @@ $utopia->init(function () use ($utopia, $request, $response, &$user, $project, $
     }
 
     $referrer = $request->getServer('HTTP_REFERER', '');
-    $origin = parse_url($request->getServer('HTTP_ORIGIN', $referrer), PHP_URL_HOST);
-    $protocol = parse_url($request->getServer('HTTP_ORIGIN', $referrer), PHP_URL_SCHEME);
-    $port = parse_url($request->getServer('HTTP_ORIGIN', $referrer), PHP_URL_PORT);
+    $origin = \parse_url($request->getServer('HTTP_ORIGIN', $referrer), PHP_URL_HOST);
+    $protocol = \parse_url($request->getServer('HTTP_ORIGIN', $referrer), PHP_URL_SCHEME);
+    $port = \parse_url($request->getServer('HTTP_ORIGIN', $referrer), PHP_URL_PORT);
 
-    $refDomain = $protocol.'://'.((in_array($origin, $clients))
+    $refDomain = $protocol.'://'.((\in_array($origin, $clients))
         ? $origin : 'localhost') . (!empty($port) ? ':'.$port : '');
 
     $selfDomain = new Domain(Config::getParam('hostname'));
@@ -93,7 +93,7 @@ $utopia->init(function () use ($utopia, $request, $response, &$user, $project, $
 
     $response
         ->addHeader('Server', 'Appwrite')
-        ->addHeader('X-XSS-Protection', '1; mode=block; report=/v1/xss?url='.urlencode($request->getServer('REQUEST_URI')))
+        ->addHeader('X-XSS-Protection', '1; mode=block; report=/v1/xss?url='.\urlencode($request->getServer('REQUEST_URI')))
         //->addHeader('X-Frame-Options', ($refDomain == 'http://localhost') ? 'SAMEORIGIN' : 'ALLOW-FROM ' . $refDomain)
         ->addHeader('X-Content-Type-Options', 'nosniff')
         ->addHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, PATCH, DELETE')
@@ -109,10 +109,10 @@ $utopia->init(function () use ($utopia, $request, $response, &$user, $project, $
      *  Skip this check for non-web platforms which are not requiredto send an origin header
      */
     $origin = $request->getServer('HTTP_ORIGIN', $request->getServer('HTTP_REFERER', ''));
-    $originValidator = new Origin(array_merge($project->getAttribute('platforms', []), $console->getAttribute('platforms', [])));
+    $originValidator = new Origin(\array_merge($project->getAttribute('platforms', []), $console->getAttribute('platforms', [])));
 
     if(!$originValidator->isValid($origin)
-        && in_array($request->getMethod(), [Request::METHOD_POST, Request::METHOD_PUT, Request::METHOD_PATCH, Request::METHOD_DELETE])
+        && \in_array($request->getMethod(), [Request::METHOD_POST, Request::METHOD_PUT, Request::METHOD_PATCH, Request::METHOD_DELETE])
         && $route->getLabel('origin', false) !== '*'
         && empty($request->getHeader('X-Appwrite-Key', ''))) {
             throw new Exception($originValidator->getDescription(), 403);
@@ -162,7 +162,7 @@ $utopia->init(function () use ($utopia, $request, $response, &$user, $project, $
         ]);
 
         $role = Auth::USER_ROLE_APP;
-        $scopes = array_merge($roles[$role]['scopes'], $key->getAttribute('scopes', []));
+        $scopes = \array_merge($roles[$role]['scopes'], $key->getAttribute('scopes', []));
 
         Authorization::setDefaultStatus(false);  // Cancel security segmentation for API keys.
     }
@@ -170,7 +170,7 @@ $utopia->init(function () use ($utopia, $request, $response, &$user, $project, $
     Authorization::setRole('user:'.$user->getId());
     Authorization::setRole('role:'.$role);
 
-    array_map(function ($node) {
+    \array_map(function ($node) {
         if (isset($node['teamId']) && isset($node['roles'])) {
             Authorization::setRole('team:'.$node['teamId']);
 
@@ -182,12 +182,12 @@ $utopia->init(function () use ($utopia, $request, $response, &$user, $project, $
 
     // TDOO Check if user is god
 
-    if (!in_array($scope, $scopes)) {
+    if (!\in_array($scope, $scopes)) {
         if (empty($project->getId()) || Database::SYSTEM_COLLECTION_PROJECTS !== $project->getCollection()) { // Check if permission is denied because project is missing
             throw new Exception('Project not found', 404);
         }
         
-        throw new Exception($user->getAttribute('email', 'User').' (role: '.strtolower($roles[$role]['label']).') missing scope ('.$scope.')', 401);
+        throw new Exception($user->getAttribute('email', 'User').' (role: '.\strtolower($roles[$role]['label']).') missing scope ('.$scope.')', 401);
     }
 
     if (Auth::USER_STATUS_BLOCKED == $user->getAttribute('status')) { // Account has not been activated
@@ -396,9 +396,9 @@ $utopia->get('/.well-known/acme-challenge')
     ->label('docs', false)
     ->action(
         function () use ($request, $response) {
-            $base = realpath(APP_STORAGE_CERTIFICATES);
-            $path = str_replace('/.well-known/acme-challenge/', '', $request->getParam('q'));
-            $absolute = realpath($base.'/.well-known/acme-challenge/'.$path);
+            $base = \realpath(APP_STORAGE_CERTIFICATES);
+            $path = \str_replace('/.well-known/acme-challenge/', '', $request->getParam('q'));
+            $absolute = \realpath($base.'/.well-known/acme-challenge/'.$path);
 
             if(!$base) {
                 throw new Exception('Storage error', 500);
@@ -408,15 +408,15 @@ $utopia->get('/.well-known/acme-challenge')
                 throw new Exception('Unknown path', 404);
             }
 
-            if(!substr($absolute, 0, strlen($base)) === $base) {
+            if(!\substr($absolute, 0, \strlen($base)) === $base) {
                 throw new Exception('Invalid path', 401);
             }
 
-            if(!file_exists($absolute)) {
+            if(!\file_exists($absolute)) {
                 throw new Exception('Unknown path', 404);
             }
 
-            $content = @file_get_contents($absolute);
+            $content = @\file_get_contents($absolute);
 
             if(!$content) {
                 throw new Exception('Failed to get contents', 500);
@@ -428,9 +428,9 @@ $utopia->get('/.well-known/acme-challenge')
 
 $name = APP_NAME;
 
-if (array_key_exists($service, $services)) { /** @noinspection PhpIncludeInspection */
+if (\array_key_exists($service, $services)) { /** @noinspection PhpIncludeInspection */
     include_once $services[$service]['controller'];
-    $name = APP_NAME.' '.ucfirst($services[$service]['name']);
+    $name = APP_NAME.' '.\ucfirst($services[$service]['name']);
 } else {
     /** @noinspection PhpIncludeInspection */
     include_once $services['/']['controller'];
diff --git a/app/config/collections.php b/app/config/collections.php
index 3b1d16791..3141419c1 100644
--- a/app/config/collections.php
+++ b/app/config/collections.php
@@ -41,7 +41,7 @@ $collections = [
                 '$collection' => Database::SYSTEM_COLLECTION_PLATFORMS,
                 'name' => 'Current Host',
                 'type' => 'web',
-                'hostname' => parse_url('https://'.$request->getServer('HTTP_HOST'), PHP_URL_HOST),
+                'hostname' => \parse_url('https://'.$request->getServer('HTTP_HOST'), PHP_URL_HOST),
             ],
         ],
         'legalName' => '',
@@ -50,9 +50,9 @@ $collections = [
         'legalCity' => '',
         'legalAddress' => '',
         'legalTaxId' => '',
-        'authWhitelistEmails' => (!empty($request->getServer('_APP_CONSOLE_WHITELIST_EMAILS', null))) ? explode(',', $request->getServer('_APP_CONSOLE_WHITELIST_EMAILS', null)) : [],
-        'authWhitelistIPs' => (!empty($request->getServer('_APP_CONSOLE_WHITELIST_IPS', null))) ? explode(',', $request->getServer('_APP_CONSOLE_WHITELIST_IPS', null)) : [],
-        'authWhitelistDomains' => (!empty($request->getServer('_APP_CONSOLE_WHITELIST_DOMAINS', null))) ? explode(',', $request->getServer('_APP_CONSOLE_WHITELIST_DOMAINS', null)) : [],
+        'authWhitelistEmails' => (!empty($request->getServer('_APP_CONSOLE_WHITELIST_EMAILS', null))) ? \explode(',', $request->getServer('_APP_CONSOLE_WHITELIST_EMAILS', null)) : [],
+        'authWhitelistIPs' => (!empty($request->getServer('_APP_CONSOLE_WHITELIST_IPS', null))) ? \explode(',', $request->getServer('_APP_CONSOLE_WHITELIST_IPS', null)) : [],
+        'authWhitelistDomains' => (!empty($request->getServer('_APP_CONSOLE_WHITELIST_DOMAINS', null))) ? \explode(',', $request->getServer('_APP_CONSOLE_WHITELIST_DOMAINS', null)) : [],
     ],
     Database::SYSTEM_COLLECTION_COLLECTIONS => [
         '$collection' => Database::SYSTEM_COLLECTION_COLLECTIONS,
@@ -1199,8 +1199,8 @@ foreach ($providers as $index => $provider) {
 
     $collections[Database::SYSTEM_COLLECTION_PROJECTS]['rules'][] = [
         '$collection' => Database::SYSTEM_COLLECTION_RULES,
-        'label' => 'OAuth2 '.ucfirst($index).' ID',
-        'key' => 'usersOauth2'.ucfirst($index).'Appid',
+        'label' => 'OAuth2 '.\ucfirst($index).' ID',
+        'key' => 'usersOauth2'.\ucfirst($index).'Appid',
         'type' => 'text',
         'default' => '',
         'required' => false,
@@ -1209,8 +1209,8 @@ foreach ($providers as $index => $provider) {
 
     $collections[Database::SYSTEM_COLLECTION_PROJECTS]['rules'][] = [
         '$collection' => Database::SYSTEM_COLLECTION_RULES,
-        'label' => 'OAuth2 '.ucfirst($index).' Secret',
-        'key' => 'usersOauth2'.ucfirst($index).'Secret',
+        'label' => 'OAuth2 '.\ucfirst($index).' Secret',
+        'key' => 'usersOauth2'.\ucfirst($index).'Secret',
         'type' => 'text',
         'default' => '',
         'required' => false,
@@ -1219,8 +1219,8 @@ foreach ($providers as $index => $provider) {
 
     $collections[Database::SYSTEM_COLLECTION_USERS]['rules'][] = [
         '$collection' => Database::SYSTEM_COLLECTION_RULES,
-        'label' => 'OAuth2 '.ucfirst($index).' ID',
-        'key' => 'oauth2'.ucfirst($index),
+        'label' => 'OAuth2 '.\ucfirst($index).' ID',
+        'key' => 'oauth2'.\ucfirst($index),
         'type' => 'text',
         'default' => '',
         'required' => false,
@@ -1229,8 +1229,8 @@ foreach ($providers as $index => $provider) {
 
     $collections[Database::SYSTEM_COLLECTION_USERS]['rules'][] = [
         '$collection' => Database::SYSTEM_COLLECTION_RULES,
-        'label' => 'OAuth2 '.ucfirst($index).' Access Token',
-        'key' => 'oauth2'.ucfirst($index).'AccessToken',
+        'label' => 'OAuth2 '.\ucfirst($index).' Access Token',
+        'key' => 'oauth2'.\ucfirst($index).'AccessToken',
         'type' => 'text',
         'default' => '',
         'required' => false,
diff --git a/app/config/eu.php b/app/config/eu.php
index d63ebef70..fbefd2369 100644
--- a/app/config/eu.php
+++ b/app/config/eu.php
@@ -30,7 +30,7 @@ $list = [
     'SE', // Sweden
 ];
 
-if (time() < strtotime('2020-01-31')) { // @see https://en.wikipedia.org/wiki/Brexit
+if (\time() < \strtotime('2020-01-31')) { // @see https://en.wikipedia.org/wiki/Brexit
     $list[] = 'GB'; // // United Kingdom
 }
 
diff --git a/app/config/platforms.php b/app/config/platforms.php
index f05dcde39..a0b4955a8 100644
--- a/app/config/platforms.php
+++ b/app/config/platforms.php
@@ -21,7 +21,7 @@ return [
                 'beta' => false,
                 'family' => APP_PLATFORM_CLIENT,
                 'prism' => 'javascript',
-                'source' => realpath(__DIR__ . '/../sdks/client-web'),
+                'source' => \realpath(__DIR__ . '/../sdks/client-web'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-js.git',
                 'gitRepoName' => 'sdk-for-js',
                 'gitUserName' => 'appwrite',
@@ -35,7 +35,7 @@ return [
                 'beta' => true,
                 'family' => APP_PLATFORM_CLIENT,
                 'prism' => 'dart',
-                'source' => realpath(__DIR__ . '/../sdks/client-flutter'),
+                'source' => \realpath(__DIR__ . '/../sdks/client-flutter'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-flutter.git',
                 'gitRepoName' => 'sdk-for-flutter',
                 'gitUserName' => 'appwrite',
@@ -110,7 +110,7 @@ return [
                 'beta' => false,
                 'family' => APP_PLATFORM_CONSOLE,
                 'prism' => 'console',
-                'source' => realpath(__DIR__ . '/../sdks/console-web'),
+                'source' => \realpath(__DIR__ . '/../sdks/console-web'),
                 'gitUrl' => null,
                 'gitRepoName' => 'sdk-for-console',
                 'gitUserName' => 'appwrite',
@@ -134,7 +134,7 @@ return [
                 'beta' => false,
                 'family' => APP_PLATFORM_SERVER,
                 'prism' => 'javascript',
-                'source' => realpath(__DIR__ . '/../sdks/server-nodejs'),
+                'source' => \realpath(__DIR__ . '/../sdks/server-nodejs'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-node.git',
                 'gitRepoName' => 'sdk-for-node',
                 'gitUserName' => 'appwrite',
@@ -148,7 +148,7 @@ return [
                 'beta' => true,
                 'family' => APP_PLATFORM_SERVER,
                 'prism' => 'typescript',
-                'source' => realpath(__DIR__ . '/../sdks/server-deno'),
+                'source' => \realpath(__DIR__ . '/../sdks/server-deno'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-deno.git',
                 'gitRepoName' => 'sdk-for-deno',
                 'gitUserName' => 'appwrite',
@@ -162,7 +162,7 @@ return [
                 'beta' => false,
                 'family' => APP_PLATFORM_SERVER,
                 'prism' => 'php',
-                'source' => realpath(__DIR__ . '/../sdks/server-php'),
+                'source' => \realpath(__DIR__ . '/../sdks/server-php'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-php.git',
                 'gitRepoName' => 'sdk-for-php',
                 'gitUserName' => 'appwrite',
@@ -176,7 +176,7 @@ return [
                 'beta' => true,
                 'family' => APP_PLATFORM_SERVER,
                 'prism' => 'python',
-                'source' => realpath(__DIR__ . '/../sdks/server-python'),
+                'source' => \realpath(__DIR__ . '/../sdks/server-python'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-python.git',
                 'gitRepoName' => 'sdk-for-python',
                 'gitUserName' => 'appwrite',
@@ -190,7 +190,7 @@ return [
                 'beta' => true,
                 'family' => APP_PLATFORM_SERVER,
                 'prism' => 'ruby',
-                'source' => realpath(__DIR__ . '/../sdks/server-ruby'),
+                'source' => \realpath(__DIR__ . '/../sdks/server-ruby'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-ruby.git',
                 'gitRepoName' => 'sdk-for-ruby',
                 'gitUserName' => 'appwrite',
@@ -204,7 +204,7 @@ return [
                 'beta' => true,
                 'family' => APP_PLATFORM_SERVER,
                 'prism' => 'go',
-                'source' => realpath(__DIR__ . '/../sdks/server-go'),
+                'source' => \realpath(__DIR__ . '/../sdks/server-go'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-go.git',
                 'gitRepoName' => 'sdk-for-go',
                 'gitUserName' => 'appwrite',
@@ -218,7 +218,7 @@ return [
                 'beta' => true,
                 'family' => APP_PLATFORM_SERVER,
                 'prism' => 'java',
-                'source' => realpath(__DIR__ . '/../sdks/server-java'),
+                'source' => \realpath(__DIR__ . '/../sdks/server-java'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-java.git',
                 'gitRepoName' => 'sdk-for-java',
                 'gitUserName' => 'appwrite',
@@ -232,7 +232,7 @@ return [
                 'beta' => true,
                 'family' => APP_PLATFORM_SERVER,
                 'prism' => 'java',
-                'source' => realpath(__DIR__ . '/../sdks/server-dart'),
+                'source' => \realpath(__DIR__ . '/../sdks/server-dart'),
                 'gitUrl' => 'git@github.com:appwrite/sdk-for-dart.git',
                 'gitRepoName' => 'sdk-for-dart',
                 'gitUserName' => 'appwrite',
diff --git a/app/config/roles.php b/app/config/roles.php
index 001ebb490..4d2420ec5 100644
--- a/app/config/roles.php
+++ b/app/config/roles.php
@@ -65,19 +65,19 @@ return [
     ],
     ROLE_MEMBER => [
         'label' => 'Member',
-        'scopes' => array_merge($logged, []),
+        'scopes' => \array_merge($logged, []),
     ],
     ROLE_ADMIN => [
         'label' => 'Admin',
-        'scopes' => array_merge($admins, []),
+        'scopes' => \array_merge($admins, []),
     ],
     ROLE_DEVELOPER => [
         'label' => 'Developer',
-        'scopes' => array_merge($admins, []),
+        'scopes' => \array_merge($admins, []),
     ],
     ROLE_OWNER => [
         'label' => 'Owner',
-        'scopes' => array_merge($logged, $admins, []),
+        'scopes' => \array_merge($logged, $admins, []),
     ],
     ROLE_APP => [
         'label' => 'Application',
diff --git a/app/controllers/api/account.php b/app/controllers/api/account.php
index 834fd009e..a7c1c2c53 100644
--- a/app/controllers/api/account.php
+++ b/app/controllers/api/account.php
@@ -42,8 +42,8 @@ $utopia->init(function() use (&$oauth2Keys) {
             continue;
         }
 
-        $oauth2Keys[] = 'oauth2'.ucfirst($key);
-        $oauth2Keys[] = 'oauth2'.ucfirst($key).'AccessToken';
+        $oauth2Keys[] = 'oauth2'.\ucfirst($key);
+        $oauth2Keys[] = 'oauth2'.\ucfirst($key).'AccessToken';
     }
 
 });
@@ -67,15 +67,15 @@ $utopia->post('/v1/account')
                 $whitlistIPs = $project->getAttribute('authWhitelistIPs');
                 $whitlistDomains = $project->getAttribute('authWhitelistDomains');
 
-                if (!empty($whitlistEmails) && !in_array($email, $whitlistEmails)) {
+                if (!empty($whitlistEmails) && !\in_array($email, $whitlistEmails)) {
                     throw new Exception('Console registration is restricted to specific emails. Contact your administrator for more information.', 401);
                 }
 
-                if (!empty($whitlistIPs) && !in_array($request->getIP(), $whitlistIPs)) {
+                if (!empty($whitlistIPs) && !\in_array($request->getIP(), $whitlistIPs)) {
                     throw new Exception('Console registration is restricted to specific IPs. Contact your administrator for more information.', 401);
                 }
 
-                if (!empty($whitlistDomains) && !in_array(substr(strrchr($email, '@'), 1), $whitlistDomains)) {
+                if (!empty($whitlistDomains) && !\in_array(\substr(\strrchr($email, '@'), 1), $whitlistDomains)) {
                     throw new Exception('Console registration is restricted to specific domains. Contact your administrator for more information.', 401);
                 }
             }
@@ -106,8 +106,8 @@ $utopia->post('/v1/account')
                     'emailVerification' => false,
                     'status' => Auth::USER_STATUS_UNACTIVATED,
                     'password' => Auth::passwordHash($password),
-                    'password-update' => time(),
-                    'registration' => time(),
+                    'password-update' => \time(),
+                    'registration' => \time(),
                     'reset' => false,
                     'name' => $name,
                 ], ['email' => $email]);
@@ -136,7 +136,7 @@ $utopia->post('/v1/account')
 
             $response
                 ->setStatusCode(Response::STATUS_CODE_CREATED)
-                ->json(array_merge($user->getArrayCopy(array_merge(
+                ->json(\array_merge($user->getArrayCopy(\array_merge(
                     [
                         '$id',
                         'email',
@@ -182,7 +182,7 @@ $utopia->post('/v1/account/sessions')
                 throw new Exception('Invalid credentials', 401); // Wrong password or username
             }
 
-            $expiry = time() + Auth::TOKEN_EXPIRATION_LOGIN_LONG;
+            $expiry = \time() + Auth::TOKEN_EXPIRATION_LOGIN_LONG;
             $secret = Auth::tokenGenerator();
             $session = new Document([
                 '$collection' => Database::SYSTEM_COLLECTION_TOKENS,
@@ -225,7 +225,7 @@ $utopia->post('/v1/account/sessions')
 
             if(!Config::getParam('domainVerification')) {
                 $response
-                    ->addHeader('X-Fallback-Cookies', json_encode([Auth::$cookieName => Auth::encodeSession($profile->getId(), $secret)]))
+                    ->addHeader('X-Fallback-Cookies', \json_encode([Auth::$cookieName => Auth::encodeSession($profile->getId(), $secret)]))
                 ;
             }
             
@@ -251,7 +251,7 @@ $utopia->get('/v1/account/sessions/oauth2/:provider')
     ->label('sdk.methodType', 'webAuth')
     ->label('abuse-limit', 50)
     ->label('abuse-key', 'ip:{ip}')
-    ->param('provider', '', function () { return new WhiteList(array_keys(Config::getParam('providers'))); }, 'OAuth2 Provider. Currently, supported providers are: ' . implode(', ', array_keys(array_filter(Config::getParam('providers'), function($node) {return (!$node['mock']);}))).'.')
+    ->param('provider', '', function () { return new WhiteList(\array_keys(Config::getParam('providers'))); }, 'OAuth2 Provider. Currently, supported providers are: ' . \implode(', ', \array_keys(\array_filter(Config::getParam('providers'), function($node) {return (!$node['mock']);}))).'.')
     ->param('success', $oauthDefaultSuccess, function () use ($clients) { return new Host($clients); }, 'URL to redirect back to your app after a successful login attempt.  Only URLs from hostnames in your project platform list are allowed. This requirement helps to prevent an [open redirect](https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html) attack against your project API.', true)
     ->param('failure', $oauthDefaultFailure, function () use ($clients) { return new Host($clients); }, 'URL to redirect back to your app after a failed login attempt.  Only URLs from hostnames in your project platform list are allowed. This requirement helps to prevent an [open redirect](https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html) attack against your project API.', true)
     ->param('scopes', [], function () { return new ArrayList(new Text(128)); }, 'A list of custom OAuth2 scopes. Check each provider internal docs for a list of supported scopes.', true)
@@ -259,23 +259,23 @@ $utopia->get('/v1/account/sessions/oauth2/:provider')
         function ($provider, $success, $failure, $scopes) use ($response, $request, $project) {
             $protocol = Config::getParam('protocol');
             $callback = $protocol.'://'.$request->getServer('HTTP_HOST').'/v1/account/sessions/oauth2/callback/'.$provider.'/'.$project->getId();
-            $appId = $project->getAttribute('usersOauth2'.ucfirst($provider).'Appid', '');
-            $appSecret = $project->getAttribute('usersOauth2'.ucfirst($provider).'Secret', '{}');
+            $appId = $project->getAttribute('usersOauth2'.\ucfirst($provider).'Appid', '');
+            $appSecret = $project->getAttribute('usersOauth2'.\ucfirst($provider).'Secret', '{}');
 
-            $appSecret = json_decode($appSecret, true);
+            $appSecret = \json_decode($appSecret, true);
 
             if (!empty($appSecret) && isset($appSecret['version'])) {
                 $key = $request->getServer('_APP_OPENSSL_KEY_V'.$appSecret['version']);
-                $appSecret = OpenSSL::decrypt($appSecret['data'], $appSecret['method'], $key, 0, hex2bin($appSecret['iv']), hex2bin($appSecret['tag']));
+                $appSecret = OpenSSL::decrypt($appSecret['data'], $appSecret['method'], $key, 0, \hex2bin($appSecret['iv']), \hex2bin($appSecret['tag']));
             }
 
             if (empty($appId) || empty($appSecret)) {
                 throw new Exception('This provider is disabled. Please configure the provider app ID and app secret key from your '.APP_NAME.' console to continue.', 412);
             }
 
-            $classname = 'Appwrite\\Auth\\OAuth2\\'.ucfirst($provider);
+            $classname = 'Appwrite\\Auth\\OAuth2\\'.\ucfirst($provider);
 
-            if (!class_exists($classname)) {
+            if (!\class_exists($classname)) {
                 throw new Exception('Provider is not supported', 501);
             }
 
@@ -294,7 +294,7 @@ $utopia->get('/v1/account/sessions/oauth2/callback/:provider/:projectId')
     ->label('scope', 'public')
     ->label('docs', false)
     ->param('projectId', '', function () { return new Text(1024); }, 'Project unique ID.')
-    ->param('provider', '', function () { return new WhiteList(array_keys(Config::getParam('providers'))); }, 'OAuth2 provider.')
+    ->param('provider', '', function () { return new WhiteList(\array_keys(Config::getParam('providers'))); }, 'OAuth2 provider.')
     ->param('code', '', function () { return new Text(1024); }, 'OAuth2 code.')
     ->param('state', '', function () { return new Text(2048); }, 'Login state params.', true)
     ->action(
@@ -306,7 +306,7 @@ $utopia->get('/v1/account/sessions/oauth2/callback/:provider/:projectId')
                 ->addHeader('Cache-Control', 'no-store, no-cache, must-revalidate, max-age=0')
                 ->addHeader('Pragma', 'no-cache')
                 ->redirect($protocol.'://'.$domain.'/v1/account/sessions/oauth2/'.$provider.'/redirect?'
-                    .http_build_query(['project' => $projectId, 'code' => $code, 'state' => $state]));
+                    .\http_build_query(['project' => $projectId, 'code' => $code, 'state' => $state]));
         }
     );
 
@@ -317,7 +317,7 @@ $utopia->post('/v1/account/sessions/oauth2/callback/:provider/:projectId')
     ->label('origin', '*')
     ->label('docs', false)
     ->param('projectId', '', function () { return new Text(1024); }, 'Project unique ID.')
-    ->param('provider', '', function () { return new WhiteList(array_keys(Config::getParam('providers'))); }, 'OAuth2 provider.')
+    ->param('provider', '', function () { return new WhiteList(\array_keys(Config::getParam('providers'))); }, 'OAuth2 provider.')
     ->param('code', '', function () { return new Text(1024); }, 'OAuth2 code.')
     ->param('state', '', function () { return new Text(2048); }, 'Login state params.', true)
     ->action(
@@ -329,7 +329,7 @@ $utopia->post('/v1/account/sessions/oauth2/callback/:provider/:projectId')
                 ->addHeader('Cache-Control', 'no-store, no-cache, must-revalidate, max-age=0')
                 ->addHeader('Pragma', 'no-cache')
                 ->redirect($protocol.'://'.$domain.'/v1/account/sessions/oauth2/'.$provider.'/redirect?'
-                    .http_build_query(['project' => $projectId, 'code' => $code, 'state' => $state]));
+                    .\http_build_query(['project' => $projectId, 'code' => $code, 'state' => $state]));
         }
     );
 
@@ -341,7 +341,7 @@ $utopia->get('/v1/account/sessions/oauth2/:provider/redirect')
     ->label('abuse-limit', 50)
     ->label('abuse-key', 'ip:{ip}')
     ->label('docs', false)
-    ->param('provider', '', function () { return new WhiteList(array_keys(Config::getParam('providers'))); }, 'OAuth2 provider.')
+    ->param('provider', '', function () { return new WhiteList(\array_keys(Config::getParam('providers'))); }, 'OAuth2 provider.')
     ->param('code', '', function () { return new Text(1024); }, 'OAuth2 code.')
     ->param('state', '', function () { return new Text(2048); }, 'OAuth2 state params.', true)
     ->action(
@@ -351,19 +351,19 @@ $utopia->get('/v1/account/sessions/oauth2/:provider/redirect')
             $defaultState = ['success' => $project->getAttribute('url', ''), 'failure' => ''];
             $validateURL = new URL();
 
-            $appId = $project->getAttribute('usersOauth2'.ucfirst($provider).'Appid', '');
-            $appSecret = $project->getAttribute('usersOauth2'.ucfirst($provider).'Secret', '{}');
+            $appId = $project->getAttribute('usersOauth2'.\ucfirst($provider).'Appid', '');
+            $appSecret = $project->getAttribute('usersOauth2'.\ucfirst($provider).'Secret', '{}');
 
-            $appSecret = json_decode($appSecret, true);
+            $appSecret = \json_decode($appSecret, true);
 
             if (!empty($appSecret) && isset($appSecret['version'])) {
                 $key = $request->getServer('_APP_OPENSSL_KEY_V'.$appSecret['version']);
-                $appSecret = OpenSSL::decrypt($appSecret['data'], $appSecret['method'], $key, 0, hex2bin($appSecret['iv']), hex2bin($appSecret['tag']));
+                $appSecret = OpenSSL::decrypt($appSecret['data'], $appSecret['method'], $key, 0, \hex2bin($appSecret['iv']), \hex2bin($appSecret['tag']));
             }
 
-            $classname = 'Appwrite\\Auth\\OAuth2\\'.ucfirst($provider);
+            $classname = 'Appwrite\\Auth\\OAuth2\\'.\ucfirst($provider);
 
-            if (!class_exists($classname)) {
+            if (!\class_exists($classname)) {
                 throw new Exception('Provider is not supported', 501);
             }
 
@@ -371,7 +371,7 @@ $utopia->get('/v1/account/sessions/oauth2/:provider/redirect')
 
             if (!empty($state)) {
                 try {
-                    $state = array_merge($defaultState, $oauth2->parseState($state));
+                    $state = \array_merge($defaultState, $oauth2->parseState($state));
                 } catch (\Exception $exception) {
                     throw new Exception('Failed to parse login state params as passed from OAuth2 provider');
                 }
@@ -419,7 +419,7 @@ $utopia->get('/v1/account/sessions/oauth2/:provider/redirect')
                 'first' => true,
                 'filters' => [
                     '$collection='.Database::SYSTEM_COLLECTION_USERS,
-                    'oauth2'.ucfirst($provider).'='.$oauth2ID,
+                    'oauth2'.\ucfirst($provider).'='.$oauth2ID,
                 ],
             ]) : $user;
 
@@ -447,8 +447,8 @@ $utopia->get('/v1/account/sessions/oauth2/:provider/redirect')
                             'emailVerification' => true,
                             'status' => Auth::USER_STATUS_ACTIVATED, // Email should already be authenticated by OAuth2 provider
                             'password' => Auth::passwordHash(Auth::passwordGenerator()),
-                            'password-update' => time(),
-                            'registration' => time(),
+                            'password-update' => \time(),
+                            'registration' => \time(),
                             'reset' => false,
                             'name' => $name,
                         ], ['email' => $email]);
@@ -467,7 +467,7 @@ $utopia->get('/v1/account/sessions/oauth2/:provider/redirect')
             // Create session token, verify user account and update OAuth2 ID and Access Token
 
             $secret = Auth::tokenGenerator();
-            $expiry = time() + Auth::TOKEN_EXPIRATION_LOGIN_LONG;
+            $expiry = \time() + Auth::TOKEN_EXPIRATION_LOGIN_LONG;
             $session = new Document([
                 '$collection' => Database::SYSTEM_COLLECTION_TOKENS,
                 '$permissions' => ['read' => ['user:'.$user['$id']], 'write' => ['user:'.$user['$id']]],
@@ -479,8 +479,8 @@ $utopia->get('/v1/account/sessions/oauth2/:provider/redirect')
             ]);
 
             $user
-                ->setAttribute('oauth2'.ucfirst($provider), $oauth2ID)
-                ->setAttribute('oauth2'.ucfirst($provider).'AccessToken', $accessToken)
+                ->setAttribute('oauth2'.\ucfirst($provider), $oauth2ID)
+                ->setAttribute('oauth2'.\ucfirst($provider).'AccessToken', $accessToken)
                 ->setAttribute('status', Auth::USER_STATUS_ACTIVATED)
                 ->setAttribute('tokens', $session, Document::SET_TYPE_APPEND)
             ;
@@ -502,7 +502,7 @@ $utopia->get('/v1/account/sessions/oauth2/:provider/redirect')
 
             if(!Config::getParam('domainVerification')) {
                 $response
-                    ->addHeader('X-Fallback-Cookies', json_encode([Auth::$cookieName => Auth::encodeSession($user->getId(), $secret)]))
+                    ->addHeader('X-Fallback-Cookies', \json_encode([Auth::$cookieName => Auth::encodeSession($user->getId(), $secret)]))
                 ;
             }
 
@@ -537,7 +537,7 @@ $utopia->get('/v1/account')
     ->label('sdk.response', ['200' => 'user'])
     ->action(
         function () use ($response, &$user, $oauth2Keys) {
-            $response->json(array_merge($user->getArrayCopy(array_merge(
+            $response->json(\array_merge($user->getArrayCopy(\array_merge(
                 [
                     '$id',
                     'email',
@@ -562,7 +562,7 @@ $utopia->get('/v1/account/prefs')
             $prefs = $user->getAttribute('prefs', '{}');
 
             try {
-                $prefs = json_decode($prefs, true);
+                $prefs = \json_decode($prefs, true);
                 $prefs = ($prefs) ? $prefs : [];
             } catch (\Exception $error) {
                 throw new Exception('Failed to parse prefs', 500);
@@ -616,7 +616,7 @@ $utopia->get('/v1/account/sessions')
 
                 try {
                     $record = $reader->country($token->getAttribute('ip', ''));
-                    $sessions[$index]['geo']['isoCode'] = strtolower($record->country->isoCode);
+                    $sessions[$index]['geo']['isoCode'] = \strtolower($record->country->isoCode);
                     $sessions[$index]['geo']['country'] = (isset($countries[$record->country->isoCode])) ? $countries[$record->country->isoCode] : Locale::getText('locale.country.unknown');
                 } catch (\Exception $e) {
                     $sessions[$index]['geo']['isoCode'] = '--';
@@ -678,7 +678,7 @@ $utopia->get('/v1/account/logs')
                 $output[$i] = [
                     'event' => $log['event'],
                     'ip' => $log['ip'],
-                    'time' => strtotime($log['time']),
+                    'time' => \strtotime($log['time']),
                     'OS' => $dd->getOs(),
                     'client' => $dd->getClient(),
                     'device' => $dd->getDevice(),
@@ -689,7 +689,7 @@ $utopia->get('/v1/account/logs')
 
                 try {
                     $record = $reader->country($log['ip']);
-                    $output[$i]['geo']['isoCode'] = strtolower($record->country->isoCode);
+                    $output[$i]['geo']['isoCode'] = \strtolower($record->country->isoCode);
                     $output[$i]['geo']['country'] = $record->country->name;
                     $output[$i]['geo']['country'] = (isset($countries[$record->country->isoCode])) ? $countries[$record->country->isoCode] : Locale::getText('locale.country.unknown');
                 } catch (\Exception $e) {
@@ -713,7 +713,7 @@ $utopia->patch('/v1/account/name')
     ->param('name', '', function () { return new Text(100); }, 'User name.')
     ->action(
         function ($name) use ($response, $user, $projectDB, $audit, $oauth2Keys) {
-            $user = $projectDB->updateDocument(array_merge($user->getArrayCopy(), [
+            $user = $projectDB->updateDocument(\array_merge($user->getArrayCopy(), [
                 'name' => $name,
             ]));
 
@@ -727,7 +727,7 @@ $utopia->patch('/v1/account/name')
                 ->setParam('resource', 'users/'.$user->getId())
             ;
 
-            $response->json(array_merge($user->getArrayCopy(array_merge(
+            $response->json(\array_merge($user->getArrayCopy(\array_merge(
                 [
                     '$id',
                     'email',
@@ -755,7 +755,7 @@ $utopia->patch('/v1/account/password')
                 throw new Exception('Invalid credentials', 401);
             }
 
-            $user = $projectDB->updateDocument(array_merge($user->getArrayCopy(), [
+            $user = $projectDB->updateDocument(\array_merge($user->getArrayCopy(), [
                 'password' => Auth::passwordHash($password),
             ]));
 
@@ -769,7 +769,7 @@ $utopia->patch('/v1/account/password')
                 ->setParam('resource', 'users/'.$user->getId())
             ;
 
-            $response->json(array_merge($user->getArrayCopy(array_merge(
+            $response->json(\array_merge($user->getArrayCopy(\array_merge(
                 [
                     '$id',
                     'email',
@@ -812,7 +812,7 @@ $utopia->patch('/v1/account/email')
 
             // TODO after this user needs to confirm mail again
 
-            $user = $projectDB->updateDocument(array_merge($user->getArrayCopy(), [
+            $user = $projectDB->updateDocument(\array_merge($user->getArrayCopy(), [
                 'email' => $email,
                 'emailVerification' => false,
             ]));
@@ -827,7 +827,7 @@ $utopia->patch('/v1/account/email')
                 ->setParam('resource', 'users/'.$user->getId())
             ;
 
-            $response->json(array_merge($user->getArrayCopy(array_merge(
+            $response->json(\array_merge($user->getArrayCopy(\array_merge(
                 [
                     '$id',
                     'email',
@@ -850,11 +850,11 @@ $utopia->patch('/v1/account/prefs')
     ->label('sdk.description', '/docs/references/account/update-prefs.md')
     ->action(
         function ($prefs) use ($response, $user, $projectDB, $audit) {
-            $old = json_decode($user->getAttribute('prefs', '{}'), true);
+            $old = \json_decode($user->getAttribute('prefs', '{}'), true);
             $old = ($old) ? $old : [];
 
-            $user = $projectDB->updateDocument(array_merge($user->getArrayCopy(), [
-                'prefs' => json_encode(array_merge($old, $prefs)),
+            $user = $projectDB->updateDocument(\array_merge($user->getArrayCopy(), [
+                'prefs' => \json_encode(\array_merge($old, $prefs)),
             ]));
 
             if (false === $user) {
@@ -869,7 +869,7 @@ $utopia->patch('/v1/account/prefs')
             $prefs = $user->getAttribute('prefs', '{}');
 
             try {
-                $prefs = json_decode($prefs, true);
+                $prefs = \json_decode($prefs, true);
                 $prefs = ($prefs) ? $prefs : [];
             } catch (\Exception $error) {
                 throw new Exception('Failed to parse prefs', 500);
@@ -890,7 +890,7 @@ $utopia->delete('/v1/account')
     ->action(
         function () use ($response, $user, $projectDB, $audit, $webhook) {
             $protocol = Config::getParam('protocol');
-            $user = $projectDB->updateDocument(array_merge($user->getArrayCopy(), [
+            $user = $projectDB->updateDocument(\array_merge($user->getArrayCopy(), [
                 'status' => Auth::USER_STATUS_BLOCKED,
             ]));
 
@@ -922,13 +922,13 @@ $utopia->delete('/v1/account')
 
             if(!Config::getParam('domainVerification')) {
                 $response
-                    ->addHeader('X-Fallback-Cookies', json_encode([]))
+                    ->addHeader('X-Fallback-Cookies', \json_encode([]))
                 ;
             }
 
             $response
-                ->addCookie(Auth::$cookieName.'_legacy', '', time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, null)
-                ->addCookie(Auth::$cookieName, '', time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, COOKIE_SAMESITE)
+                ->addCookie(Auth::$cookieName.'_legacy', '', \time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, null)
+                ->addCookie(Auth::$cookieName, '', \time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, COOKIE_SAMESITE)
                 ->noContent()
             ;
         }
@@ -974,14 +974,14 @@ $utopia->delete('/v1/account/sessions/:sessionId')
 
                     if(!Config::getParam('domainVerification')) {
                         $response
-                            ->addHeader('X-Fallback-Cookies', json_encode([]))
+                            ->addHeader('X-Fallback-Cookies', \json_encode([]))
                         ;
                     }
 
                     if ($token->getAttribute('secret') == Auth::hash(Auth::$secret)) { // If current session delete the cookies too
                         $response
-                            ->addCookie(Auth::$cookieName.'_legacy', '', time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, null)
-                            ->addCookie(Auth::$cookieName, '', time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, COOKIE_SAMESITE)
+                            ->addCookie(Auth::$cookieName.'_legacy', '', \time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, null)
+                            ->addCookie(Auth::$cookieName, '', \time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, COOKIE_SAMESITE)
                         ;
                     }
 
@@ -1027,14 +1027,14 @@ $utopia->delete('/v1/account/sessions')
 
                 if(!Config::getParam('domainVerification')) {
                     $response
-                        ->addHeader('X-Fallback-Cookies', json_encode([]))
+                        ->addHeader('X-Fallback-Cookies', \json_encode([]))
                     ;
                 }
 
                 if ($token->getAttribute('secret') == Auth::hash(Auth::$secret)) { // If current session delete the cookies too
                     $response
-                        ->addCookie(Auth::$cookieName.'_legacy', '', time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, null)
-                        ->addCookie(Auth::$cookieName, '', time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, COOKIE_SAMESITE)
+                        ->addCookie(Auth::$cookieName.'_legacy', '', \time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, null)
+                        ->addCookie(Auth::$cookieName, '', \time() - 3600, '/', COOKIE_DOMAIN, ('https' == $protocol), true, COOKIE_SAMESITE)
                     ;
                 }
             }
@@ -1075,7 +1075,7 @@ $utopia->post('/v1/account/recovery')
                 '$permissions' => ['read' => ['user:'.$profile->getId()], 'write' => ['user:'.$profile->getId()]],
                 'type' => Auth::TOKEN_TYPE_RECOVERY,
                 'secret' => Auth::hash($secret), // On way hash encryption to protect DB leak
-                'expire' => time() + Auth::TOKEN_EXPIRATION_RECOVERY,
+                'expire' => \time() + Auth::TOKEN_EXPIRATION_RECOVERY,
                 'userAgent' => $request->getServer('HTTP_USER_AGENT', 'UNKNOWN'),
                 'ip' => $request->getIP(),
             ]);
@@ -1182,9 +1182,9 @@ $utopia->put('/v1/account/recovery')
 
             Authorization::setRole('user:'.$profile->getId());
 
-            $profile = $projectDB->updateDocument(array_merge($profile->getArrayCopy(), [
+            $profile = $projectDB->updateDocument(\array_merge($profile->getArrayCopy(), [
                 'password' => Auth::passwordHash($password),
-                'password-update' => time(),
+                'password-update' => \time(),
                 'emailVerification' => true,
             ]));
 
@@ -1231,7 +1231,7 @@ $utopia->post('/v1/account/verification')
                 '$permissions' => ['read' => ['user:'.$user->getId()], 'write' => ['user:'.$user->getId()]],
                 'type' => Auth::TOKEN_TYPE_VERIFICATION,
                 'secret' => Auth::hash($verificationSecret), // On way hash encryption to protect DB leak
-                'expire' => time() + Auth::TOKEN_EXPIRATION_CONFIRM,
+                'expire' => \time() + Auth::TOKEN_EXPIRATION_CONFIRM,
                 'userAgent' => $request->getServer('HTTP_USER_AGENT', 'UNKNOWN'),
                 'ip' => $request->getIP(),
             ]);
@@ -1332,7 +1332,7 @@ $utopia->put('/v1/account/verification')
 
             Authorization::setRole('user:'.$profile->getId());
 
-            $profile = $projectDB->updateDocument(array_merge($profile->getArrayCopy(), [
+            $profile = $projectDB->updateDocument(\array_merge($profile->getArrayCopy(), [
                 'emailVerification' => true,
             ]));
 
diff --git a/app/controllers/api/avatars.php b/app/controllers/api/avatars.php
index b1c8d352b..4bff678c5 100644
--- a/app/controllers/api/avatars.php
+++ b/app/controllers/api/avatars.php
@@ -27,28 +27,28 @@ $types = [
 ];
 
 $avatarCallback = function ($type, $code, $width, $height, $quality) use ($types, $response, $request) {
-    $code = strtolower($code);
-    $type = strtolower($type);
+    $code = \strtolower($code);
+    $type = \strtolower($type);
 
-    if (!array_key_exists($type, $types)) {
+    if (!\array_key_exists($type, $types)) {
         throw new Exception('Avatar set not found', 404);
     }
 
-    if (!array_key_exists($code, $types[$type])) {
+    if (!\array_key_exists($code, $types[$type])) {
         throw new Exception('Avatar not found', 404);
     }
 
-    if (!extension_loaded('imagick')) {
+    if (!\extension_loaded('imagick')) {
         throw new Exception('Imagick extension is missing', 500);
     }
 
     $output = 'png';
-    $date = date('D, d M Y H:i:s', time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
-    $key = md5('/v1/avatars/:type/:code-'.$code.$width.$height.$quality.$output);
+    $date = \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
+    $key = \md5('/v1/avatars/:type/:code-'.$code.$width.$height.$quality.$output);
     $path = $types[$type][$code];
     $type = 'png';
 
-    if (!is_readable($path)) {
+    if (!\is_readable($path)) {
         throw new Exception('File not readable in '.$path, 500);
     }
 
@@ -66,7 +66,7 @@ $avatarCallback = function ($type, $code, $width, $height, $quality) use ($types
         ;
     }
 
-    $resize = new Resize(file_get_contents($path));
+    $resize = new Resize(\file_get_contents($path));
 
     $resize->crop((int) $width, (int) $height);
 
@@ -92,7 +92,7 @@ $avatarCallback = function ($type, $code, $width, $height, $quality) use ($types
 
 $utopia->get('/v1/avatars/credit-cards/:code')
     ->desc('Get Credit Card Icon')
-    ->param('code', '', function () use ($types) { return new WhiteList(array_keys($types['credit-cards'])); }, 'Credit Card Code. Possible values: '.implode(', ', array_keys($types['credit-cards'])).'.')
+    ->param('code', '', function () use ($types) { return new WhiteList(\array_keys($types['credit-cards'])); }, 'Credit Card Code. Possible values: '.\implode(', ', \array_keys($types['credit-cards'])).'.')
     ->param('width', 100, function () { return new Range(0, 2000); }, 'Image width. Pass an integer between 0 to 2000. Defaults to 100.', true)
     ->param('height', 100, function () { return new Range(0, 2000); }, 'Image height. Pass an integer between 0 to 2000. Defaults to 100.', true)
     ->param('quality', 100, function () { return new Range(0, 100); }, 'Image quality. Pass an integer between 0 to 100. Defaults to 100.', true)
@@ -107,7 +107,7 @@ $utopia->get('/v1/avatars/credit-cards/:code')
 
 $utopia->get('/v1/avatars/browsers/:code')
     ->desc('Get Browser Icon')
-    ->param('code', '', function () use ($types) { return new WhiteList(array_keys($types['browsers'])); }, 'Browser Code.')
+    ->param('code', '', function () use ($types) { return new WhiteList(\array_keys($types['browsers'])); }, 'Browser Code.')
     ->param('width', 100, function () { return new Range(0, 2000); }, 'Image width. Pass an integer between 0 to 2000. Defaults to 100.', true)
     ->param('height', 100, function () { return new Range(0, 2000); }, 'Image height. Pass an integer between 0 to 2000. Defaults to 100.', true)
     ->param('quality', 100, function () { return new Range(0, 100); }, 'Image quality. Pass an integer between 0 to 100. Defaults to 100.', true)
@@ -122,7 +122,7 @@ $utopia->get('/v1/avatars/browsers/:code')
 
 $utopia->get('/v1/avatars/flags/:code')
     ->desc('Get Country Flag')
-    ->param('code', '', function () use ($types) { return new WhiteList(array_keys($types['flags'])); }, 'Country Code. ISO Alpha-2 country code format.')
+    ->param('code', '', function () use ($types) { return new WhiteList(\array_keys($types['flags'])); }, 'Country Code. ISO Alpha-2 country code format.')
     ->param('width', 100, function () { return new Range(0, 2000); }, 'Image width. Pass an integer between 0 to 2000. Defaults to 100.', true)
     ->param('height', 100, function () { return new Range(0, 2000); }, 'Image height. Pass an integer between 0 to 2000. Defaults to 100.', true)
     ->param('quality', 100, function () { return new Range(0, 100); }, 'Image quality. Pass an integer between 0 to 100. Defaults to 100.', true)
@@ -150,8 +150,8 @@ $utopia->get('/v1/avatars/image')
         function ($url, $width, $height) use ($response) {
             $quality = 80;
             $output = 'png';
-            $date = date('D, d M Y H:i:s', time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
-            $key = md5('/v2/avatars/images-'.$url.'-'.$width.'/'.$height.'/'.$quality);
+            $date = \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
+            $key = \md5('/v2/avatars/images-'.$url.'-'.$width.'/'.$height.'/'.$quality);
             $type = 'png';
             $cache = new Cache(new Filesystem(APP_STORAGE_CACHE.'/app-0')); // Limit file number or size
             $data = $cache->load($key, 60 * 60 * 24 * 7 /* 1 week */);
@@ -165,11 +165,11 @@ $utopia->get('/v1/avatars/image')
                 ;
             }
 
-            if (!extension_loaded('imagick')) {
+            if (!\extension_loaded('imagick')) {
                 throw new Exception('Imagick extension is missing', 500);
             }
 
-            $fetch = @file_get_contents($url, false);
+            $fetch = @\file_get_contents($url, false);
 
             if (!$fetch) {
                 throw new Exception('Image not found', 404);
@@ -219,8 +219,8 @@ $utopia->get('/v1/avatars/favicon')
             $height = 56;
             $quality = 80;
             $output = 'png';
-            $date = date('D, d M Y H:i:s', time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
-            $key = md5('/v2/avatars/favicon-'.$url);
+            $date = \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
+            $key = \md5('/v2/avatars/favicon-'.$url);
             $type = 'png';
             $cache = new Cache(new Filesystem(APP_STORAGE_CACHE.'/app-0')); // Limit file number or size
             $data = $cache->load($key, 60 * 60 * 24 * 30 * 3 /* 3 months */);
@@ -234,26 +234,26 @@ $utopia->get('/v1/avatars/favicon')
                 ;
             }
 
-            if (!extension_loaded('imagick')) {
+            if (!\extension_loaded('imagick')) {
                 throw new Exception('Imagick extension is missing', 500);
             }
 
-            $curl = curl_init();
+            $curl = \curl_init();
 
-            curl_setopt_array($curl, [
+            \curl_setopt_array($curl, [
                 CURLOPT_RETURNTRANSFER => 1,
                 CURLOPT_FOLLOWLOCATION => true,
                 CURLOPT_MAXREDIRS => 3,
                 CURLOPT_URL => $url,
-                CURLOPT_USERAGENT => sprintf(APP_USERAGENT,
+                CURLOPT_USERAGENT => \sprintf(APP_USERAGENT,
                     Config::getParam('version'),
                     $request->getServer('_APP_SYSTEM_SECURITY_EMAIL_ADDRESS', APP_EMAIL_SECURITY)
                 ),
             ]);
 
-            $html = curl_exec($curl);
+            $html = \curl_exec($curl);
 
-            curl_close($curl);
+            \curl_close($curl);
 
             if (!$html) {
                 throw new Exception('Failed to fetch remote URL', 404);
@@ -272,20 +272,20 @@ $utopia->get('/v1/avatars/favicon')
                 $href = $link->getAttribute('href');
                 $rel = $link->getAttribute('rel');
                 $sizes = $link->getAttribute('sizes');
-                $absolute = URLParse::unparse(array_merge(parse_url($url), parse_url($href)));
+                $absolute = URLParse::unparse(\array_merge(\parse_url($url), \parse_url($href)));
 
-                switch (strtolower($rel)) {
+                switch (\strtolower($rel)) {
                     case 'icon':
                     case 'shortcut icon':
                         //case 'apple-touch-icon':
-                        $ext = pathinfo(parse_url($absolute, PHP_URL_PATH), PATHINFO_EXTENSION);
+                        $ext = \pathinfo(\parse_url($absolute, PHP_URL_PATH), PATHINFO_EXTENSION);
 
                         switch ($ext) {
                             case 'ico':
                             case 'png':
                             case 'jpg':
                             case 'jpeg':
-                                $size = explode('x', strtolower($sizes));
+                                $size = \explode('x', \strtolower($sizes));
 
                                 $sizeWidth = (isset($size[0])) ? (int) $size[0] : 0;
                                 $sizeHeight = (isset($size[1])) ? (int) $size[1] : 0;
@@ -304,16 +304,16 @@ $utopia->get('/v1/avatars/favicon')
             }
 
             if (empty($outputHref) || empty($outputExt)) {
-                $default = parse_url($url);
+                $default = \parse_url($url);
 
                 $outputHref = $default['scheme'].'://'.$default['host'].'/favicon.ico';
                 $outputExt = 'ico';
             }
 
             if ('ico' == $outputExt) { // Skip crop, Imagick isn\'t supporting icon files
-                $data = @file_get_contents($outputHref, false);
+                $data = @\file_get_contents($outputHref, false);
 
-                if (empty($data) || (mb_substr($data, 0, 5) === '<html') || mb_substr($data, 0, 5) === '<!doc') {
+                if (empty($data) || (\mb_substr($data, 0, 5) === '<html') || \mb_substr($data, 0, 5) === '<!doc') {
                     throw new Exception('Favicon not found', 404);
                 }
 
@@ -327,7 +327,7 @@ $utopia->get('/v1/avatars/favicon')
                 ;
             }
 
-            $fetch = @file_get_contents($outputHref, false);
+            $fetch = @\file_get_contents($outputHref, false);
 
             if (!$fetch) {
                 throw new Exception('Icon not found', 404);
@@ -384,7 +384,7 @@ $utopia->get('/v1/avatars/qr')
             }
 
             $response
-                ->addHeader('Expires', date('D, d M Y H:i:s', time() + (60 * 60 * 24 * 45)).' GMT') // 45 days cache
+                ->addHeader('Expires', \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT') // 45 days cache
                 ->setContentType('image/png')
                 ->send($writer->writeString($text))
             ;
@@ -419,30 +419,30 @@ $utopia->get('/v1/avatars/initials')
                 ['color' => '#610008', 'background' => '#f6d2d5'] // RED
             ];
 
-            $rand = rand(0, count($themes)-1);
+            $rand = \rand(0, \count($themes)-1);
 
             $name = (!empty($name)) ? $name : $user->getAttribute('name', $user->getAttribute('email', ''));
-            $words = explode(' ', strtoupper($name));
+            $words = \explode(' ', \strtoupper($name));
             $initials = null;
             $code = 0;
 
             foreach ($words as $key => $w) {
                 $initials .= (isset($w[0])) ? $w[0] : '';
-                $code += (isset($w[0])) ? ord($w[0]) : 0;
+                $code += (isset($w[0])) ? \ord($w[0]) : 0;
 
                 if($key == 1) {
                     break;
                 }
             }
 
-            $length = count($words);
-            $rand = substr($code,-1);
+            $length = \count($words);
+            $rand = \substr($code,-1);
             $background = (!empty($background)) ? '#'.$background : $themes[$rand]['background'];
             $color = (!empty($color)) ? '#'.$color : $themes[$rand]['color'];
 
             $image = new \Imagick();
             $draw = new \ImagickDraw();
-            $fontSize = min($width, $height) / 2;
+            $fontSize = \min($width, $height) / 2;
             
             $draw->setFont(__DIR__."/../../../public/fonts/poppins-v9-latin-500.ttf");
             $image->setFont(__DIR__."/../../../public/fonts/poppins-v9-latin-500.ttf");
@@ -460,7 +460,7 @@ $utopia->get('/v1/avatars/initials')
             //$image->setImageCompressionQuality(9 - round(($quality / 100) * 9));
 
             $response
-                ->addHeader('Expires', date('D, d M Y H:i:s', time() + (60 * 60 * 24 * 45)).' GMT') // 45 days cache
+                ->addHeader('Expires', \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT') // 45 days cache
                 ->setContentType('image/png')
                 ->send($image->getImageBlob())
             ;
diff --git a/app/controllers/api/database.php b/app/controllers/api/database.php
index f4cddb1cc..d8ecedab8 100644
--- a/app/controllers/api/database.php
+++ b/app/controllers/api/database.php
@@ -46,7 +46,7 @@ $utopia->post('/v1/database/collections')
             $parsedRules = [];
 
             foreach ($rules as &$rule) {
-                $parsedRules[] = array_merge([
+                $parsedRules[] = \array_merge([
                     '$collection' => Database::SYSTEM_COLLECTION_RULES,
                     '$permissions' => [
                         'read' => $read,
@@ -59,8 +59,8 @@ $utopia->post('/v1/database/collections')
                 $data = $projectDB->createDocument([
                     '$collection' => Database::SYSTEM_COLLECTION_COLLECTIONS,
                     'name' => $name,
-                    'dateCreated' => time(),
-                    'dateUpdated' => time(),
+                    'dateCreated' => \time(),
+                    'dateUpdated' => \time(),
                     'structure' => true,
                     '$permissions' => [
                         'read' => $read,
@@ -258,7 +258,7 @@ $utopia->put('/v1/database/collections/:collectionId')
             $parsedRules = [];
 
             foreach ($rules as &$rule) {
-                $parsedRules[] = array_merge([
+                $parsedRules[] = \array_merge([
                     '$collection' => Database::SYSTEM_COLLECTION_RULES,
                     '$permissions' => [
                         'read' => $read,
@@ -268,10 +268,10 @@ $utopia->put('/v1/database/collections/:collectionId')
             }
 
             try {
-                $collection = $projectDB->updateDocument(array_merge($collection->getArrayCopy(), [
+                $collection = $projectDB->updateDocument(\array_merge($collection->getArrayCopy(), [
                     'name' => $name,
                     'structure' => true,
-                    'dateUpdated' => time(),
+                    'dateUpdated' => \time(),
                     '$permissions' => [
                         'read' => $read,
                         'write' => $write,
@@ -360,7 +360,7 @@ $utopia->post('/v1/database/collections/:collectionId/documents')
     ->param('parentPropertyType', Document::SET_TYPE_ASSIGN, function () { return new WhiteList([Document::SET_TYPE_ASSIGN, Document::SET_TYPE_APPEND, Document::SET_TYPE_PREPEND]); }, 'Parent document property connection type. You can set this value to **assign**, **append** or **prepend**, default value is assign. Use when you want your new document to be a child of a parent document.', true)
     ->action(
         function ($collectionId, $data, $read, $write, $parentDocument, $parentProperty, $parentPropertyType) use ($response, $projectDB, $webhook, $audit) {
-            $data = (is_string($data)) ? json_decode($data, true) : $data; // Cast to JSON array
+            $data = (\is_string($data)) ? \json_decode($data, true) : $data; // Cast to JSON array
 
             if (empty($data)) {
                 throw new Exception('Missing payload', 400);
@@ -372,7 +372,7 @@ $utopia->post('/v1/database/collections/:collectionId/documents')
             
             $collection = $projectDB->getDocument($collectionId/*, $isDev*/);
 
-            if (is_null($collection->getId()) || Database::SYSTEM_COLLECTION_COLLECTIONS != $collection->getCollection()) {
+            if (\is_null($collection->getId()) || Database::SYSTEM_COLLECTION_COLLECTIONS != $collection->getCollection()) {
                 throw new Exception('Collection not found', 404);
             }
 
@@ -483,7 +483,7 @@ $utopia->get('/v1/database/collections/:collectionId/documents')
         function ($collectionId, $filters, $offset, $limit, $orderField, $orderType, $orderCast, $search, $first, $last) use ($response, $projectDB, $isDev) {
             $collection = $projectDB->getDocument($collectionId, $isDev);
 
-            if (is_null($collection->getId()) || Database::SYSTEM_COLLECTION_COLLECTIONS != $collection->getCollection()) {
+            if (\is_null($collection->getId()) || Database::SYSTEM_COLLECTION_COLLECTIONS != $collection->getCollection()) {
                 throw new Exception('Collection not found', 404);
             }
 
@@ -496,7 +496,7 @@ $utopia->get('/v1/database/collections/:collectionId/documents')
                 'search' => $search,
                 'first' => (bool) $first,
                 'last' => (bool) $last,
-                'filters' => array_merge($filters, [
+                'filters' => \array_merge($filters, [
                     '$collection='.$collectionId,
                 ]),
             ]);
@@ -549,20 +549,20 @@ $utopia->get('/v1/database/collections/:collectionId/documents/:documentId')
 
             $output = $document->getArrayCopy();
 
-            $paths = explode('/', $request->getParam('q', ''));
-            $paths = array_slice($paths, 7, count($paths));
+            $paths = \explode('/', $request->getParam('q', ''));
+            $paths = \array_slice($paths, 7, \count($paths));
             
-            if (count($paths) > 0) {
-                if (count($paths) % 2 == 1) {
-                    $output = $document->getAttribute(implode('.', $paths));
+            if (\count($paths) > 0) {
+                if (\count($paths) % 2 == 1) {
+                    $output = $document->getAttribute(\implode('.', $paths));
                 } else {
-                    $id = (int) array_pop($paths);
-                    $output = $document->search('$id', $id, $document->getAttribute(implode('.', $paths)));
+                    $id = (int) \array_pop($paths);
+                    $output = $document->search('$id', $id, $document->getAttribute(\implode('.', $paths)));
                 }
 
                 $output = ($output instanceof Document) ? $output->getArrayCopy() : $output;
 
-                if (!is_array($output)) {
+                if (!\is_array($output)) {
                     throw new Exception('No document found', 404);
                 }
             }
@@ -592,13 +592,13 @@ $utopia->patch('/v1/database/collections/:collectionId/documents/:documentId')
             $collection = $projectDB->getDocument($collectionId/*, $isDev*/);
             $document = $projectDB->getDocument($documentId, $isDev);
 
-            $data = (is_string($data)) ? json_decode($data, true) : $data; // Cast to JSON array
+            $data = (\is_string($data)) ? \json_decode($data, true) : $data; // Cast to JSON array
 
-            if (!is_array($data)) {
+            if (!\is_array($data)) {
                 throw new Exception('Data param should be a valid JSON', 400);
             }
 
-            if (is_null($collection->getId()) || Database::SYSTEM_COLLECTION_COLLECTIONS != $collection->getCollection()) {
+            if (\is_null($collection->getId()) || Database::SYSTEM_COLLECTION_COLLECTIONS != $collection->getCollection()) {
                 throw new Exception('Collection not found', 404);
             }
 
@@ -616,7 +616,7 @@ $utopia->patch('/v1/database/collections/:collectionId/documents/:documentId')
                 $data['$permissions']['write'] = $read;
             }
 
-            $data = array_merge($document->getArrayCopy(), $data);
+            $data = \array_merge($document->getArrayCopy(), $data);
 
             $data['$collection'] = $collection->getId(); // Make sure user don't switch collectionID
             $data['$id'] = $document->getId(); // Make sure user don't switch document unique ID
@@ -672,7 +672,7 @@ $utopia->delete('/v1/database/collections/:collectionId/documents/:documentId')
                 throw new Exception('No document found', 404);
             }
 
-            if (is_null($collection->getId()) || Database::SYSTEM_COLLECTION_COLLECTIONS != $collection->getCollection()) {
+            if (\is_null($collection->getId()) || Database::SYSTEM_COLLECTION_COLLECTIONS != $collection->getCollection()) {
                 throw new Exception('Collection not found', 404);
             }
 
diff --git a/app/controllers/api/health.php b/app/controllers/api/health.php
index 475f75b54..94c99bc82 100644
--- a/app/controllers/api/health.php
+++ b/app/controllers/api/health.php
@@ -75,34 +75,34 @@ $utopia->get('/v1/health/time')
             $gap = 60; // Allow [X] seconds gap
 
             /* Create a socket and connect to NTP server */
-            $sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
+            $sock = \socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
 
-            socket_connect($sock, $host, 123);
+            \socket_connect($sock, $host, 123);
 
             /* Send request */
-            $msg = "\010".str_repeat("\0", 47);
+            $msg = "\010".\str_repeat("\0", 47);
 
-            socket_send($sock, $msg, strlen($msg), 0);
+            \socket_send($sock, $msg, \strlen($msg), 0);
 
             /* Receive response and close socket */
-            socket_recv($sock, $recv, 48, MSG_WAITALL);
-            socket_close($sock);
+            \socket_recv($sock, $recv, 48, MSG_WAITALL);
+            \socket_close($sock);
 
             /* Interpret response */
-            $data = unpack('N12', $recv);
-            $timestamp = sprintf('%u', $data[9]);
+            $data = \unpack('N12', $recv);
+            $timestamp = \sprintf('%u', $data[9]);
 
             /* NTP is number of seconds since 0000 UT on 1 January 1900
                Unix time is seconds since 0000 UT on 1 January 1970 */
             $timestamp -= 2208988800;
 
-            $diff = ($timestamp - time());
+            $diff = ($timestamp - \time());
 
             if ($diff > $gap || $diff < ($gap * -1)) {
                 throw new Exception('Server time gaps detected');
             }
 
-            $response->json(['remote' => $timestamp, 'local' => time(), 'diff' => $diff]);
+            $response->json(['remote' => $timestamp, 'local' => \time(), 'diff' => $diff]);
         }
     );
 
@@ -202,11 +202,11 @@ $utopia->get('/v1/health/storage/local')
             ] as $key => $volume) {
                 $device = new Local($volume);
 
-                if (!is_readable($device->getRoot())) {
+                if (!\is_readable($device->getRoot())) {
                     throw new Exception('Device '.$key.' dir is not readable');
                 }
 
-                if (!is_writable($device->getRoot())) {
+                if (!\is_writable($device->getRoot())) {
                     throw new Exception('Device '.$key.' dir is not writable');
                 }
             }
@@ -255,7 +255,7 @@ $utopia->get('/v1/health/stats') // Currently only used internally
                 ->json([
                     'server' => [
                         'name' => 'nginx',
-                        'version' => shell_exec('nginx -v 2>&1'),
+                        'version' => \shell_exec('nginx -v 2>&1'),
                     ],
                     'storage' => [
                         'used' => Storage::human($device->getDirectorySize($device->getRoot().'/')),
diff --git a/app/controllers/api/locale.php b/app/controllers/api/locale.php
index a58d86113..30a1211e9 100644
--- a/app/controllers/api/locale.php
+++ b/app/controllers/api/locale.php
@@ -41,10 +41,10 @@ $utopia->get('/v1/locale')
                 //$output['countryTimeZone'] = DateTimeZone::listIdentifiers(DateTimeZone::PER_COUNTRY, $record->country->isoCode);
                 $output['continent'] = (isset($continents[$record->continent->code])) ? $continents[$record->continent->code] : Locale::getText('locale.country.unknown');
                 $output['continentCode'] = $record->continent->code;
-                $output['eu'] = (in_array($record->country->isoCode, $eu)) ? true : false;
+                $output['eu'] = (\in_array($record->country->isoCode, $eu)) ? true : false;
 
                 foreach ($currencies as $code => $element) {
-                    if (isset($element['locations']) && isset($element['code']) && in_array($record->country->isoCode, $element['locations'])) {
+                    if (isset($element['locations']) && isset($element['code']) && \in_array($record->country->isoCode, $element['locations'])) {
                         $currency = $element['code'];
                     }
                 }
@@ -61,7 +61,7 @@ $utopia->get('/v1/locale')
 
             $response
                 ->addHeader('Cache-Control', 'public, max-age='.$time)
-                ->addHeader('Expires', date('D, d M Y H:i:s', time() + $time).' GMT') // 45 days cache
+                ->addHeader('Expires', \date('D, d M Y H:i:s', \time() + $time).' GMT') // 45 days cache
                 ->json($output);
         }
     );
@@ -77,7 +77,7 @@ $utopia->get('/v1/locale/countries')
         function () use ($response) {
             $list = Locale::getText('countries'); /* @var $list array */
 
-            asort($list);
+            \asort($list);
 
             $response->json($list);
         }
@@ -97,12 +97,12 @@ $utopia->get('/v1/locale/countries/eu')
             $list = [];
 
             foreach ($eu as $code) {
-                if (array_key_exists($code, $countries)) {
+                if (\array_key_exists($code, $countries)) {
                     $list[$code] = $countries[$code];
                 }
             }
 
-            asort($list);
+            \asort($list);
 
             $response->json($list);
         }
@@ -122,12 +122,12 @@ $utopia->get('/v1/locale/countries/phones')
             $countries = Locale::getText('countries'); /* @var $countries array */
 
             foreach ($list as $code => $name) {
-                if (array_key_exists($code, $countries)) {
+                if (\array_key_exists($code, $countries)) {
                     $list[$code] = '+'.$list[$code];
                 }
             }
 
-            asort($list);
+            \asort($list);
 
             $response->json($list);
         }
@@ -144,7 +144,7 @@ $utopia->get('/v1/locale/continents')
         function () use ($response) {
             $list = Locale::getText('continents'); /* @var $list array */
 
-            asort($list);
+            \asort($list);
 
             $response->json($list);
         }
diff --git a/app/controllers/api/projects.php b/app/controllers/api/projects.php
index ee1929a21..4511c3480 100644
--- a/app/controllers/api/projects.php
+++ b/app/controllers/api/projects.php
@@ -107,11 +107,11 @@ $utopia->get('/v1/projects')
 
             foreach ($results as $project) {
                 foreach (Config::getParam('providers') as $provider => $node) {
-                    $secret = json_decode($project->getAttribute('usersOauth2'.ucfirst($provider).'Secret', '{}'), true);
+                    $secret = \json_decode($project->getAttribute('usersOauth2'.\ucfirst($provider).'Secret', '{}'), true);
 
                     if (!empty($secret) && isset($secret['version'])) {
                         $key = $request->getServer('_APP_OPENSSL_KEY_V'.$secret['version']);
-                        $project->setAttribute('usersOauth2'.ucfirst($provider).'Secret', OpenSSL::decrypt($secret['data'], $secret['method'], $key, 0, hex2bin($secret['iv']), hex2bin($secret['tag'])));
+                        $project->setAttribute('usersOauth2'.\ucfirst($provider).'Secret', OpenSSL::decrypt($secret['data'], $secret['method'], $key, 0, \hex2bin($secret['iv']), \hex2bin($secret['tag'])));
                     }
                 }
             }
@@ -135,11 +135,11 @@ $utopia->get('/v1/projects/:projectId')
             }
 
             foreach (Config::getParam('providers') as $provider => $node) {
-                $secret = json_decode($project->getAttribute('usersOauth2'.ucfirst($provider).'Secret', '{}'), true);
+                $secret = \json_decode($project->getAttribute('usersOauth2'.\ucfirst($provider).'Secret', '{}'), true);
 
                 if (!empty($secret) && isset($secret['version'])) {
                     $key = $request->getServer('_APP_OPENSSL_KEY_V'.$secret['version']);
-                    $project->setAttribute('usersOauth2'.ucfirst($provider).'Secret', OpenSSL::decrypt($secret['data'], $secret['method'], $key, 0, hex2bin($secret['iv']), hex2bin($secret['tag'])));
+                    $project->setAttribute('usersOauth2'.\ucfirst($provider).'Secret', OpenSSL::decrypt($secret['data'], $secret['method'], $key, 0, \hex2bin($secret['iv']), \hex2bin($secret['tag'])));
                 }
             }
 
@@ -164,23 +164,23 @@ $utopia->get('/v1/projects/:projectId/usage')
 
             $period = [
                 'daily' => [
-                    'start' => DateTime::createFromFormat('U', strtotime('today')),
-                    'end' => DateTime::createFromFormat('U', strtotime('tomorrow')),
+                    'start' => DateTime::createFromFormat('U', \strtotime('today')),
+                    'end' => DateTime::createFromFormat('U', \strtotime('tomorrow')),
                     'group' => '1m',
                 ],
                 'monthly' => [
-                    'start' => DateTime::createFromFormat('U', strtotime('midnight first day of this month')),
-                    'end' => DateTime::createFromFormat('U', strtotime('midnight last day of this month')),
+                    'start' => DateTime::createFromFormat('U', \strtotime('midnight first day of this month')),
+                    'end' => DateTime::createFromFormat('U', \strtotime('midnight last day of this month')),
                     'group' => '1d',
                 ],
                 'last30' => [
-                    'start' => DateTime::createFromFormat('U', strtotime('-30 days')),
-                    'end' => DateTime::createFromFormat('U', strtotime('tomorrow')),
+                    'start' => DateTime::createFromFormat('U', \strtotime('-30 days')),
+                    'end' => DateTime::createFromFormat('U', \strtotime('tomorrow')),
                     'group' => '1d',
                 ],
                 'last90' => [
-                    'start' => DateTime::createFromFormat('U', strtotime('-90 days')),
-                    'end' => DateTime::createFromFormat('U', strtotime('today')),
+                    'start' => DateTime::createFromFormat('U', \strtotime('-90 days')),
+                    'end' => DateTime::createFromFormat('U', \strtotime('today')),
                     'group' => '1d',
                 ],
                 // 'yearly' => [
@@ -207,7 +207,7 @@ $utopia->get('/v1/projects/:projectId/usage')
                 foreach ($points as $point) {
                     $requests[] = [
                         'value' => (!empty($point['value'])) ? $point['value'] : 0,
-                        'date' => strtotime($point['time']),
+                        'date' => \strtotime($point['time']),
                     ];
                 }
 
@@ -218,7 +218,7 @@ $utopia->get('/v1/projects/:projectId/usage')
                 foreach ($points as $point) {
                     $network[] = [
                         'value' => (!empty($point['value'])) ? $point['value'] : 0,
-                        'date' => strtotime($point['time']),
+                        'date' => \strtotime($point['time']),
                     ];
                 }
             }
@@ -262,18 +262,18 @@ $utopia->get('/v1/projects/:projectId/usage')
             }
 
             // Tasks
-            $tasksTotal = count($project->getAttribute('tasks', []));
+            $tasksTotal = \count($project->getAttribute('tasks', []));
 
             $response->json([
                 'requests' => [
                     'data' => $requests,
-                    'total' => array_sum(array_map(function ($item) {
+                    'total' => \array_sum(\array_map(function ($item) {
                         return $item['value'];
                     }, $requests)),
                 ],
                 'network' => [
                     'data' => $network,
-                    'total' => array_sum(array_map(function ($item) {
+                    'total' => \array_sum(\array_map(function ($item) {
                         return $item['value'];
                     }, $network)),
                 ],
@@ -283,7 +283,7 @@ $utopia->get('/v1/projects/:projectId/usage')
                 ],
                 'documents' => [
                     'data' => $documents,
-                    'total' => array_sum(array_map(function ($item) {
+                    'total' => \array_sum(\array_map(function ($item) {
                         return $item['total'];
                     }, $documents)),
                 ],
@@ -332,7 +332,7 @@ $utopia->patch('/v1/projects/:projectId')
                 throw new Exception('Project not found', 404);
             }
 
-            $project = $consoleDB->updateDocument(array_merge($project->getArrayCopy(), [
+            $project = $consoleDB->updateDocument(\array_merge($project->getArrayCopy(), [
                 'name' => $name,
                 'description' => $description,
                 'logo' => $logo,
@@ -359,7 +359,7 @@ $utopia->patch('/v1/projects/:projectId/oauth2')
     ->label('sdk.namespace', 'projects')
     ->label('sdk.method', 'updateOAuth2')
     ->param('projectId', '', function () { return new UID(); }, 'Project unique ID.')
-    ->param('provider', '', function () { return new WhiteList(array_keys(Config::getParam('providers'))); }, 'Provider Name', false)
+    ->param('provider', '', function () { return new WhiteList(\array_keys(Config::getParam('providers'))); }, 'Provider Name', false)
     ->param('appId', '', function () { return new Text(256); }, 'Provider app ID.', true)
     ->param('secret', '', function () { return new text(512); }, 'Provider secret key.', true)
     ->action(
@@ -373,17 +373,17 @@ $utopia->patch('/v1/projects/:projectId/oauth2')
             $key = $request->getServer('_APP_OPENSSL_KEY_V1');
             $iv = OpenSSL::randomPseudoBytes(OpenSSL::cipherIVLength(OpenSSL::CIPHER_AES_128_GCM));
             $tag = null;
-            $secret = json_encode([
+            $secret = \json_encode([
                 'data' => OpenSSL::encrypt($secret, OpenSSL::CIPHER_AES_128_GCM, $key, 0, $iv, $tag),
                 'method' => OpenSSL::CIPHER_AES_128_GCM,
-                'iv' => bin2hex($iv),
-                'tag' => bin2hex($tag),
+                'iv' => \bin2hex($iv),
+                'tag' => \bin2hex($tag),
                 'version' => '1',
             ]);
 
-            $project = $consoleDB->updateDocument(array_merge($project->getArrayCopy(), [
-                'usersOauth2'.ucfirst($provider).'Appid' => $appId,
-                'usersOauth2'.ucfirst($provider).'Secret' => $secret,
+            $project = $consoleDB->updateDocument(\array_merge($project->getArrayCopy(), [
+                'usersOauth2'.\ucfirst($provider).'Appid' => $appId,
+                'usersOauth2'.\ucfirst($provider).'Secret' => $secret,
             ]));
 
             if (false === $project) {
@@ -462,11 +462,11 @@ $utopia->post('/v1/projects/:projectId/webhooks')
             $key = $request->getServer('_APP_OPENSSL_KEY_V1');
             $iv = OpenSSL::randomPseudoBytes(OpenSSL::cipherIVLength(OpenSSL::CIPHER_AES_128_GCM));
             $tag = null;
-            $httpPass = json_encode([
+            $httpPass = \json_encode([
                 'data' => OpenSSL::encrypt($httpPass, OpenSSL::CIPHER_AES_128_GCM, $key, 0, $iv, $tag),
                 'method' => OpenSSL::CIPHER_AES_128_GCM,
-                'iv' => bin2hex($iv),
-                'tag' => bin2hex($tag),
+                'iv' => \bin2hex($iv),
+                'tag' => \bin2hex($tag),
                 'version' => '1',
             ]);
 
@@ -520,7 +520,7 @@ $utopia->get('/v1/projects/:projectId/webhooks')
             $webhooks = $project->getAttribute('webhooks', []);
 
             foreach ($webhooks as $webhook) { /* @var $webhook Document */
-                $httpPass = json_decode($webhook->getAttribute('httpPass', '{}'), true);
+                $httpPass = \json_decode($webhook->getAttribute('httpPass', '{}'), true);
 
                 if (empty($httpPass) || !isset($httpPass['version'])) {
                     continue;
@@ -528,7 +528,7 @@ $utopia->get('/v1/projects/:projectId/webhooks')
 
                 $key = $request->getServer('_APP_OPENSSL_KEY_V'.$httpPass['version']);
 
-                $webhook->setAttribute('httpPass', OpenSSL::decrypt($httpPass['data'], $httpPass['method'], $key, 0, hex2bin($httpPass['iv']), hex2bin($httpPass['tag'])));
+                $webhook->setAttribute('httpPass', OpenSSL::decrypt($httpPass['data'], $httpPass['method'], $key, 0, \hex2bin($httpPass['iv']), \hex2bin($httpPass['tag'])));
             }
 
             $response->json($webhooks);
@@ -556,11 +556,11 @@ $utopia->get('/v1/projects/:projectId/webhooks/:webhookId')
                 throw new Exception('Webhook not found', 404);
             }
 
-            $httpPass = json_decode($webhook->getAttribute('httpPass', '{}'), true);
+            $httpPass = \json_decode($webhook->getAttribute('httpPass', '{}'), true);
 
             if (!empty($httpPass) && isset($httpPass['version'])) {
                 $key = $request->getServer('_APP_OPENSSL_KEY_V'.$httpPass['version']);
-                $webhook->setAttribute('httpPass', OpenSSL::decrypt($httpPass['data'], $httpPass['method'], $key, 0, hex2bin($httpPass['iv']), hex2bin($httpPass['tag'])));
+                $webhook->setAttribute('httpPass', OpenSSL::decrypt($httpPass['data'], $httpPass['method'], $key, 0, \hex2bin($httpPass['iv']), \hex2bin($httpPass['tag'])));
             }
 
             $response->json($webhook->getArrayCopy());
@@ -592,11 +592,11 @@ $utopia->put('/v1/projects/:projectId/webhooks/:webhookId')
             $key = $request->getServer('_APP_OPENSSL_KEY_V1');
             $iv = OpenSSL::randomPseudoBytes(OpenSSL::cipherIVLength(OpenSSL::CIPHER_AES_128_GCM));
             $tag = null;
-            $httpPass = json_encode([
+            $httpPass = \json_encode([
                 'data' => OpenSSL::encrypt($httpPass, OpenSSL::CIPHER_AES_128_GCM, $key, 0, $iv, $tag),
                 'method' => OpenSSL::CIPHER_AES_128_GCM,
-                'iv' => bin2hex($iv),
-                'tag' => bin2hex($tag),
+                'iv' => \bin2hex($iv),
+                'tag' => \bin2hex($tag),
                 'version' => '1',
             ]);
 
@@ -678,7 +678,7 @@ $utopia->post('/v1/projects/:projectId/keys')
                 ],
                 'name' => $name,
                 'scopes' => $scopes,
-                'secret' => bin2hex(random_bytes(128)),
+                'secret' => \bin2hex(\random_bytes(128)),
             ]);
 
             if (false === $key) {
@@ -839,11 +839,11 @@ $utopia->post('/v1/projects/:projectId/tasks')
             $key = $request->getServer('_APP_OPENSSL_KEY_V1');
             $iv = OpenSSL::randomPseudoBytes(OpenSSL::cipherIVLength(OpenSSL::CIPHER_AES_128_GCM));
             $tag = null;
-            $httpPass = json_encode([
+            $httpPass = \json_encode([
                 'data' => OpenSSL::encrypt($httpPass, OpenSSL::CIPHER_AES_128_GCM, $key, 0, $iv, $tag),
                 'method' => OpenSSL::CIPHER_AES_128_GCM,
-                'iv' => bin2hex($iv),
-                'tag' => bin2hex($tag),
+                'iv' => \bin2hex($iv),
+                'tag' => \bin2hex($tag),
                 'version' => '1',
             ]);
 
@@ -856,7 +856,7 @@ $utopia->post('/v1/projects/:projectId/tasks')
                 'name' => $name,
                 'status' => $status,
                 'schedule' => $schedule,
-                'updated' => time(),
+                'updated' => \time(),
                 'previous' => null,
                 'next' => $next,
                 'security' => (int) $security,
@@ -909,7 +909,7 @@ $utopia->get('/v1/projects/:projectId/tasks')
             $tasks = $project->getAttribute('tasks', []);
 
             foreach ($tasks as $task) { /* @var $task Document */
-                $httpPass = json_decode($task->getAttribute('httpPass', '{}'), true);
+                $httpPass = \json_decode($task->getAttribute('httpPass', '{}'), true);
 
                 if (empty($httpPass) || !isset($httpPass['version'])) {
                     continue;
@@ -917,7 +917,7 @@ $utopia->get('/v1/projects/:projectId/tasks')
 
                 $key = $request->getServer('_APP_OPENSSL_KEY_V'.$httpPass['version']);
 
-                $task->setAttribute('httpPass', OpenSSL::decrypt($httpPass['data'], $httpPass['method'], $key, 0, hex2bin($httpPass['iv']), hex2bin($httpPass['tag'])));
+                $task->setAttribute('httpPass', OpenSSL::decrypt($httpPass['data'], $httpPass['method'], $key, 0, \hex2bin($httpPass['iv']), \hex2bin($httpPass['tag'])));
             }
 
             $response->json($tasks);
@@ -945,11 +945,11 @@ $utopia->get('/v1/projects/:projectId/tasks/:taskId')
                 throw new Exception('Task not found', 404);
             }
 
-            $httpPass = json_decode($task->getAttribute('httpPass', '{}'), true);
+            $httpPass = \json_decode($task->getAttribute('httpPass', '{}'), true);
 
             if (!empty($httpPass) && isset($httpPass['version'])) {
                 $key = $request->getServer('_APP_OPENSSL_KEY_V'.$httpPass['version']);
-                $task->setAttribute('httpPass', OpenSSL::decrypt($httpPass['data'], $httpPass['method'], $key, 0, hex2bin($httpPass['iv']), hex2bin($httpPass['tag'])));
+                $task->setAttribute('httpPass', OpenSSL::decrypt($httpPass['data'], $httpPass['method'], $key, 0, \hex2bin($httpPass['iv']), \hex2bin($httpPass['tag'])));
             }
 
             $response->json($task->getArrayCopy());
@@ -992,11 +992,11 @@ $utopia->put('/v1/projects/:projectId/tasks/:taskId')
             $key = $request->getServer('_APP_OPENSSL_KEY_V1');
             $iv = OpenSSL::randomPseudoBytes(OpenSSL::cipherIVLength(OpenSSL::CIPHER_AES_128_GCM));
             $tag = null;
-            $httpPass = json_encode([
+            $httpPass = \json_encode([
                 'data' => OpenSSL::encrypt($httpPass, OpenSSL::CIPHER_AES_128_GCM, $key, 0, $iv, $tag),
                 'method' => OpenSSL::CIPHER_AES_128_GCM,
-                'iv' => bin2hex($iv),
-                'tag' => bin2hex($tag),
+                'iv' => \bin2hex($iv),
+                'tag' => \bin2hex($tag),
                 'version' => '1',
             ]);
 
@@ -1004,7 +1004,7 @@ $utopia->put('/v1/projects/:projectId/tasks/:taskId')
                 ->setAttribute('name', $name)
                 ->setAttribute('status', $status)
                 ->setAttribute('schedule', $schedule)
-                ->setAttribute('updated', time())
+                ->setAttribute('updated', \time())
                 ->setAttribute('next', $next)
                 ->setAttribute('security', (int) $security)
                 ->setAttribute('httpMethod', $httpMethod)
@@ -1087,8 +1087,8 @@ $utopia->post('/v1/projects/:projectId/platforms')
                 'key' => $key,
                 'store' => $store,
                 'hostname' => $hostname,
-                'dateCreated' => time(),
-                'dateUpdated' => time(),
+                'dateCreated' => \time(),
+                'dateUpdated' => \time(),
             ]);
 
             if (false === $platform) {
@@ -1182,7 +1182,7 @@ $utopia->put('/v1/projects/:projectId/platforms/:platformId')
 
             $platform
                 ->setAttribute('name', $name)
-                ->setAttribute('dateUpdated', time())
+                ->setAttribute('dateUpdated', \time())
                 ->setAttribute('key', $key)
                 ->setAttribute('store', $store)
                 ->setAttribute('hostname', $hostname)
@@ -1262,7 +1262,7 @@ $utopia->post('/v1/projects/:projectId/domains')
                     'read' => ['team:'.$project->getAttribute('teamId', null)],
                     'write' => ['team:'.$project->getAttribute('teamId', null).'/owner', 'team:'.$project->getAttribute('teamId', null).'/developer'],
                 ],
-                'updated' => time(),
+                'updated' => \time(),
                 'domain' => $domain->get(),
                 'tld' => $domain->getSuffix(),
                 'registerable' => $domain->getRegisterable(),
diff --git a/app/controllers/api/storage.php b/app/controllers/api/storage.php
index ebcb85f32..6ffcfbf98 100644
--- a/app/controllers/api/storage.php
+++ b/app/controllers/api/storage.php
@@ -165,9 +165,9 @@ $utopia->post('/v1/storage/files')
             }
 
             // Make sure we handle a single file and multiple files the same way
-            $file['name'] = (is_array($file['name']) && isset($file['name'][0])) ? $file['name'][0] : $file['name'];
-            $file['tmp_name'] = (is_array($file['tmp_name']) && isset($file['tmp_name'][0])) ? $file['tmp_name'][0] : $file['tmp_name'];
-            $file['size'] = (is_array($file['size']) && isset($file['size'][0])) ? $file['size'][0] : $file['size'];
+            $file['name'] = (\is_array($file['name']) && isset($file['name'][0])) ? $file['name'][0] : $file['name'];
+            $file['tmp_name'] = (\is_array($file['tmp_name']) && isset($file['tmp_name'][0])) ? $file['tmp_name'][0] : $file['tmp_name'];
+            $file['size'] = (\is_array($file['size']) && isset($file['size'][0])) ? $file['size'][0] : $file['size'];
 
             // Check if file type is allowed (feature for project settings?)
             //if (!$fileType->isValid($file['tmp_name'])) {
@@ -190,7 +190,7 @@ $utopia->post('/v1/storage/files')
 
             // Save to storage
             $size = $device->getFileSize($file['tmp_name']);
-            $path = $device->getPath(uniqid().'.'.pathinfo($file['name'], PATHINFO_EXTENSION));
+            $path = $device->getPath(\uniqid().'.'.\pathinfo($file['name'], PATHINFO_EXTENSION));
             
             if (!$device->upload($file['tmp_name'], $path)) { // TODO deprecate 'upload' and replace with 'move'
                 throw new Exception('Failed moving file', 500);
@@ -228,7 +228,7 @@ $utopia->post('/v1/storage/files')
                     'read' => $read,
                     'write' => $write,
                 ],
-                'dateCreated' => time(),
+                'dateCreated' => \time(),
                 'folderId' => $folderId,
                 'name' => $file['name'],
                 'path' => $path,
@@ -237,12 +237,12 @@ $utopia->post('/v1/storage/files')
                 'sizeOriginal' => $size,
                 'sizeActual' => $sizeActual,
                 'algorithm' => $compressor->getName(),
-                'token' => bin2hex(random_bytes(64)),
+                'token' => \bin2hex(\random_bytes(64)),
                 'comment' => '',
                 'fileOpenSSLVersion' => '1',
                 'fileOpenSSLCipher' => OpenSSL::CIPHER_AES_128_GCM,
-                'fileOpenSSLTag' => bin2hex($tag),
-                'fileOpenSSLIV' => bin2hex($iv),
+                'fileOpenSSLTag' => \bin2hex($tag),
+                'fileOpenSSLIV' => \bin2hex($iv),
             ]);
 
             if (false === $file) {
@@ -294,7 +294,7 @@ $utopia->get('/v1/storage/files')
                 ],
             ]);
 
-            $results = array_map(function ($value) { /* @var $value \Database\Document */
+            $results = \array_map(function ($value) { /* @var $value \Database\Document */
                 return $value->getArrayCopy(['$id', '$permissions', 'name', 'dateCreated', 'signature', 'mimeType', 'sizeOriginal']);
             }, $results);
 
@@ -336,14 +336,14 @@ $utopia->get('/v1/storage/files/:fileId/preview')
     ->param('height', 0, function () { return new Range(0, 4000); }, 'Resize preview image height, Pass an integer between 0 to 4000.', true)
     ->param('quality', 100, function () { return new Range(0, 100); }, 'Preview image quality. Pass an integer between 0 to 100. Defaults to 100.', true)
     ->param('background', '', function () { return new HexColor(); }, 'Preview image background color. Only works with transparent images (png). Use a valid HEX color, no # is needed for prefix.', true)
-    ->param('output', null, function () use ($outputs) { return new WhiteList(array_merge(array_keys($outputs), [null])); }, 'Output format type (jpeg, jpg, png, gif and webp).', true)
+    ->param('output', null, function () use ($outputs) { return new WhiteList(\array_merge(\array_keys($outputs), [null])); }, 'Output format type (jpeg, jpg, png, gif and webp).', true)
     //->param('storage', 'local', function () {return new WhiteList(array('local'));}, 'Selected storage device. defaults to local')
     //->param('token', '', function () {return new Text(128);}, 'Preview token', true)
     ->action(
         function ($fileId, $width, $height, $quality, $background, $output) use ($request, $response, $projectDB, $project, $inputs, $outputs, $fileLogos) {
             $storage = 'local';
 
-            if (!extension_loaded('imagick')) {
+            if (!\extension_loaded('imagick')) {
                 throw new Exception('Imagick extension is missing', 500);
             }
 
@@ -351,12 +351,12 @@ $utopia->get('/v1/storage/files/:fileId/preview')
                 throw new Exception('No such storage device', 400);
             }
 
-            if ((strpos($request->getServer('HTTP_ACCEPT'), 'image/webp') === false) && ('webp' == $output)) { // Fallback webp to jpeg when no browser support
+            if ((\strpos($request->getServer('HTTP_ACCEPT'), 'image/webp') === false) && ('webp' == $output)) { // Fallback webp to jpeg when no browser support
                 $output = 'jpg';
             }
 
-            $date = date('D, d M Y H:i:s', time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
-            $key = md5($fileId.$width.$height.$quality.$background.$storage.$output);
+            $date = \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
+            $key = \md5($fileId.$width.$height.$quality.$background.$storage.$output);
 
             $file = $projectDB->getDocument($fileId);
 
@@ -365,24 +365,24 @@ $utopia->get('/v1/storage/files/:fileId/preview')
             }
 
             $path = $file->getAttribute('path');
-            $type = strtolower(pathinfo($path, PATHINFO_EXTENSION));
+            $type = \strtolower(\pathinfo($path, PATHINFO_EXTENSION));
             $algorithm = $file->getAttribute('algorithm');
             $cipher = $file->getAttribute('fileOpenSSLCipher');
             $mime = $file->getAttribute('mimeType');
 
-            if(!in_array($mime, $inputs)) {
-                $path = (array_key_exists($mime, $fileLogos)) ? $fileLogos[$mime] : $fileLogos['default'];
+            if(!\in_array($mime, $inputs)) {
+                $path = (\array_key_exists($mime, $fileLogos)) ? $fileLogos[$mime] : $fileLogos['default'];
                 $algorithm = null;
                 $cipher = null;
                 $background = (empty($background)) ? 'eceff1' : $background;
-                $type = strtolower(pathinfo($path, PATHINFO_EXTENSION));
-                $key = md5($path.$width.$height.$quality.$background.$storage.$output);
+                $type = \strtolower(\pathinfo($path, PATHINFO_EXTENSION));
+                $key = \md5($path.$width.$height.$quality.$background.$storage.$output);
             }
 
             $compressor = new GZIP();
             $device = Storage::getDevice('local');
 
-            if (!file_exists($path)) {
+            if (!\file_exists($path)) {
                 throw new Exception('File not found', 404);
             }
 
@@ -393,7 +393,7 @@ $utopia->get('/v1/storage/files/:fileId/preview')
                 $output = (empty($output)) ? $type : $output;
 
                 $response
-                    ->setContentType((in_array($output, $outputs)) ? $outputs[$output] : $outputs['jpg'])
+                    ->setContentType((\in_array($output, $outputs)) ? $outputs[$output] : $outputs['jpg'])
                     ->addHeader('Expires', $date)
                     ->addHeader('X-Appwrite-Cache', 'hit')
                     ->send($data)
@@ -410,8 +410,8 @@ $utopia->get('/v1/storage/files/:fileId/preview')
                     $file->getAttribute('fileOpenSSLCipher'),
                     $request->getServer('_APP_OPENSSL_KEY_V'.$file->getAttribute('fileOpenSSLVersion')),
                     0,
-                    hex2bin($file->getAttribute('fileOpenSSLIV')),
-                    hex2bin($file->getAttribute('fileOpenSSLTag'))
+                    \hex2bin($file->getAttribute('fileOpenSSLIV')),
+                    \hex2bin($file->getAttribute('fileOpenSSLTag'))
                 );
             }
 
@@ -466,7 +466,7 @@ $utopia->get('/v1/storage/files/:fileId/download')
 
             $path = $file->getAttribute('path', '');
 
-            if (!file_exists($path)) {
+            if (!\file_exists($path)) {
                 throw new Exception('File not found in '.$path, 404);
             }
 
@@ -481,8 +481,8 @@ $utopia->get('/v1/storage/files/:fileId/download')
                     $file->getAttribute('fileOpenSSLCipher'),
                     $request->getServer('_APP_OPENSSL_KEY_V'.$file->getAttribute('fileOpenSSLVersion')),
                     0,
-                    hex2bin($file->getAttribute('fileOpenSSLIV')),
-                    hex2bin($file->getAttribute('fileOpenSSLTag'))
+                    \hex2bin($file->getAttribute('fileOpenSSLIV')),
+                    \hex2bin($file->getAttribute('fileOpenSSLTag'))
                 );
             }
 
@@ -492,8 +492,8 @@ $utopia->get('/v1/storage/files/:fileId/download')
             $response
                 ->setContentType($file->getAttribute('mimeType'))
                 ->addHeader('Content-Disposition', 'attachment; filename="'.$file->getAttribute('name', '').'"')
-                ->addHeader('Expires', date('D, d M Y H:i:s', time() + (60 * 60 * 24 * 45)).' GMT') // 45 days cache
-                ->addHeader('X-Peak', memory_get_peak_usage())
+                ->addHeader('Expires', \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT') // 45 days cache
+                ->addHeader('X-Peak', \memory_get_peak_usage())
                 ->send($source)
             ;
         }
@@ -520,7 +520,7 @@ $utopia->get('/v1/storage/files/:fileId/view')
 
             $path = $file->getAttribute('path', '');
 
-            if (!file_exists($path)) {
+            if (!\file_exists($path)) {
                 throw new Exception('File not found in '.$path, 404);
             }
 
@@ -529,7 +529,7 @@ $utopia->get('/v1/storage/files/:fileId/view')
 
             $contentType = 'text/plain';
 
-            if (in_array($file->getAttribute('mimeType'), $mimes)) {
+            if (\in_array($file->getAttribute('mimeType'), $mimes)) {
                 $contentType = $file->getAttribute('mimeType');
             }
 
@@ -541,8 +541,8 @@ $utopia->get('/v1/storage/files/:fileId/view')
                     $file->getAttribute('fileOpenSSLCipher'),
                     $request->getServer('_APP_OPENSSL_KEY_V'.$file->getAttribute('fileOpenSSLVersion')),
                     0,
-                    hex2bin($file->getAttribute('fileOpenSSLIV')),
-                    hex2bin($file->getAttribute('fileOpenSSLTag'))
+                    \hex2bin($file->getAttribute('fileOpenSSLIV')),
+                    \hex2bin($file->getAttribute('fileOpenSSLTag'))
                 );
             }
 
@@ -554,7 +554,7 @@ $utopia->get('/v1/storage/files/:fileId/view')
                 'text' => 'text/plain',
             ];
 
-            $contentType = (array_key_exists($as, $contentTypes)) ? $contentTypes[$as] : $contentType;
+            $contentType = (\array_key_exists($as, $contentTypes)) ? $contentTypes[$as] : $contentType;
 
             // Response
             $response
@@ -562,8 +562,8 @@ $utopia->get('/v1/storage/files/:fileId/view')
                 ->addHeader('Content-Security-Policy', 'script-src none;')
                 ->addHeader('X-Content-Type-Options', 'nosniff')
                 ->addHeader('Content-Disposition', 'inline; filename="'.$fileName.'"')
-                ->addHeader('Expires', date('D, d M Y H:i:s', time() + (60 * 60 * 24 * 45)).' GMT') // 45 days cache
-                ->addHeader('X-Peak', memory_get_peak_usage())
+                ->addHeader('Expires', \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT') // 45 days cache
+                ->addHeader('X-Peak', \memory_get_peak_usage())
                 ->send($output)
             ;
         }
@@ -589,7 +589,7 @@ $utopia->put('/v1/storage/files/:fileId')
                 throw new Exception('File not found', 404);
             }
 
-            $file = $projectDB->updateDocument(array_merge($file->getArrayCopy(), [
+            $file = $projectDB->updateDocument(\array_merge($file->getArrayCopy(), [
                 '$permissions' => [
                     'read' => $read,
                     'write' => $write,
diff --git a/app/controllers/api/teams.php b/app/controllers/api/teams.php
index 125f15903..b8e0bf119 100644
--- a/app/controllers/api/teams.php
+++ b/app/controllers/api/teams.php
@@ -43,7 +43,7 @@ $utopia->post('/v1/teams')
                 ],
                 'name' => $name,
                 'sum' => ($mode !== APP_MODE_ADMIN && $user->getId()) ? 1 : 0,
-                'dateCreated' => time(),
+                'dateCreated' => \time(),
             ]);
 
             Authorization::reset();
@@ -62,8 +62,8 @@ $utopia->post('/v1/teams')
                     'userId' => $user->getId(),
                     'teamId' => $team->getId(),
                     'roles' => $roles,
-                    'invited' => time(),
-                    'joined' => time(),
+                    'invited' => \time(),
+                    'joined' => \time(),
                     'confirm' => true,
                     'secret' => '',
                 ]);
@@ -151,7 +151,7 @@ $utopia->put('/v1/teams/:teamId')
                 throw new Exception('Team not found', 404);
             }
 
-            $team = $projectDB->updateDocument(array_merge($team->getArrayCopy(), [
+            $team = $projectDB->updateDocument(\array_merge($team->getArrayCopy(), [
                 'name' => $name,
             ]));
 
@@ -256,8 +256,8 @@ $utopia->post('/v1/teams/:teamId/memberships')
                         'emailVerification' => false,
                         'status' => Auth::USER_STATUS_UNACTIVATED,
                         'password' => Auth::passwordHash(Auth::passwordGenerator()),
-                        'password-update' => time(),
-                        'registration' => time(),
+                        'password-update' => \time(),
+                        'registration' => \time(),
                         'reset' => false,
                         'name' => $name,
                         'tokens' => [],
@@ -280,7 +280,7 @@ $utopia->post('/v1/teams/:teamId/memberships')
                     throw new Exception('User has already been invited or is already a member of this team', 409);
                 }
 
-                if ($member->getAttribute('userId') == $user->getId() && in_array('owner', $member->getAttribute('roles', []))) {
+                if ($member->getAttribute('userId') == $user->getId() && \in_array('owner', $member->getAttribute('roles', []))) {
                     $isOwner = true;
                 }
             }
@@ -300,7 +300,7 @@ $utopia->post('/v1/teams/:teamId/memberships')
                 'userId' => $invitee->getId(),
                 'teamId' => $team->getId(),
                 'roles' => $roles,
-                'invited' => time(),
+                'invited' => \time(),
                 'joined' => 0,
                 'confirm' => (APP_MODE_ADMIN === $mode),
                 'secret' => Auth::hash($secret),
@@ -349,7 +349,7 @@ $utopia->post('/v1/teams/:teamId/memberships')
                     ->setParam('event', 'teams.membership.create')
                     ->setParam('recipient', $email)
                     ->setParam('name', $name)
-                    ->setParam('subject', sprintf(Locale::getText('account.emails.invitation.title'), $team->getAttribute('name', '[TEAM-NAME]'), $project->getAttribute('name', ['[APP-NAME]'])))
+                    ->setParam('subject', \sprintf(Locale::getText('account.emails.invitation.title'), $team->getAttribute('name', '[TEAM-NAME]'), $project->getAttribute('name', ['[APP-NAME]'])))
                     ->setParam('body', $body->render())
                     ->trigger();
                 ;
@@ -363,7 +363,7 @@ $utopia->post('/v1/teams/:teamId/memberships')
 
             $response
                 ->setStatusCode(Response::STATUS_CODE_CREATED) // TODO change response of this endpoint
-                ->json(array_merge($membership->getArrayCopy([
+                ->json(\array_merge($membership->getArrayCopy([
                     '$id',
                     'userId',
                     'teamId',
@@ -421,7 +421,7 @@ $utopia->get('/v1/teams/:teamId/memberships')
 
                 $temp = $projectDB->getDocument($membership->getAttribute('userId', null))->getArrayCopy(['email', 'name']);
 
-                $users[] = array_merge($temp, $membership->getArrayCopy([
+                $users[] = \array_merge($temp, $membership->getArrayCopy([
                     '$id',
                     'userId',
                     'teamId',
@@ -495,7 +495,7 @@ $utopia->patch('/v1/teams/:teamId/memberships/:inviteId/status')
             }
 
             $membership // Attach user to team
-                ->setAttribute('joined', time())
+                ->setAttribute('joined', \time())
                 ->setAttribute('confirm', true)
             ;
 
@@ -505,7 +505,7 @@ $utopia->patch('/v1/teams/:teamId/memberships/:inviteId/status')
             ;
 
             // Log user in
-            $expiry = time() + Auth::TOKEN_EXPIRATION_LOGIN_LONG;
+            $expiry = \time() + Auth::TOKEN_EXPIRATION_LOGIN_LONG;
             $secret = Auth::tokenGenerator();
 
             $user->setAttribute('tokens', new Document([
@@ -528,7 +528,7 @@ $utopia->patch('/v1/teams/:teamId/memberships/:inviteId/status')
 
             Authorization::disable();
 
-            $team = $projectDB->updateDocument(array_merge($team->getArrayCopy(), [
+            $team = $projectDB->updateDocument(\array_merge($team->getArrayCopy(), [
                 'sum' => $team->getAttribute('sum', 0) + 1,
             ]));
 
@@ -546,14 +546,14 @@ $utopia->patch('/v1/teams/:teamId/memberships/:inviteId/status')
 
             if(!Config::getParam('domainVerification')) {
                 $response
-                    ->addHeader('X-Fallback-Cookies', json_encode([Auth::$cookieName => Auth::encodeSession($user->getId(), $secret)]))
+                    ->addHeader('X-Fallback-Cookies', \json_encode([Auth::$cookieName => Auth::encodeSession($user->getId(), $secret)]))
                 ;
             }
 
             $response
                 ->addCookie(Auth::$cookieName.'_legacy', Auth::encodeSession($user->getId(), $secret), $expiry, '/', COOKIE_DOMAIN, ('https' == $protocol), true, null)
                 ->addCookie(Auth::$cookieName, Auth::encodeSession($user->getId(), $secret), $expiry, '/', COOKIE_DOMAIN, ('https' == $protocol), true, COOKIE_SAMESITE)
-                ->json(array_merge($membership->getArrayCopy([
+                ->json(\array_merge($membership->getArrayCopy([
                     '$id',
                     'userId',
                     'teamId',
@@ -601,7 +601,7 @@ $utopia->delete('/v1/teams/:teamId/memberships/:inviteId')
             }
 
             if ($membership->getAttribute('confirm')) { // Count only confirmed members
-                $team = $projectDB->updateDocument(array_merge($team->getArrayCopy(), [
+                $team = $projectDB->updateDocument(\array_merge($team->getArrayCopy(), [
                     'sum' => $team->getAttribute('sum', 0) - 1,
                 ]));
             }
diff --git a/app/controllers/api/users.php b/app/controllers/api/users.php
index 12090ecc6..d032cef94 100644
--- a/app/controllers/api/users.php
+++ b/app/controllers/api/users.php
@@ -59,8 +59,8 @@ $utopia->post('/v1/users')
                     'emailVerification' => false,
                     'status' => Auth::USER_STATUS_UNACTIVATED,
                     'password' => Auth::passwordHash($password),
-                    'password-update' => time(),
-                    'registration' => time(),
+                    'password-update' => \time(),
+                    'registration' => \time(),
                     'reset' => false,
                     'name' => $name,
                 ], ['email' => $email]);
@@ -75,13 +75,13 @@ $utopia->post('/v1/users')
                     continue;
                 }
 
-                $oauth2Keys[] = 'oauth2'.ucfirst($key);
-                $oauth2Keys[] = 'oauth2'.ucfirst($key).'AccessToken';
+                $oauth2Keys[] = 'oauth2'.\ucfirst($key);
+                $oauth2Keys[] = 'oauth2'.\ucfirst($key).'AccessToken';
             }
 
             $response
                 ->setStatusCode(Response::STATUS_CODE_CREATED)
-                ->json(array_merge($user->getArrayCopy(array_merge([
+                ->json(\array_merge($user->getArrayCopy(\array_merge([
                     '$id',
                     'status',
                     'email',
@@ -124,12 +124,12 @@ $utopia->get('/v1/users')
                     continue;
                 }
 
-                $oauth2Keys[] = 'oauth2'.ucfirst($key);
-                $oauth2Keys[] = 'oauth2'.ucfirst($key).'AccessToken';
+                $oauth2Keys[] = 'oauth2'.\ucfirst($key);
+                $oauth2Keys[] = 'oauth2'.\ucfirst($key).'AccessToken';
             }
 
-            $results = array_map(function ($value) use ($oauth2Keys) { /* @var $value \Database\Document */
-                return $value->getArrayCopy(array_merge(
+            $results = \array_map(function ($value) use ($oauth2Keys) { /* @var $value \Database\Document */
+                return $value->getArrayCopy(\array_merge(
                     [
                         '$id',
                         'status',
@@ -169,11 +169,11 @@ $utopia->get('/v1/users/:userId')
                     continue;
                 }
 
-                $oauth2Keys[] = 'oauth2'.ucfirst($key);
-                $oauth2Keys[] = 'oauth2'.ucfirst($key).'AccessToken';
+                $oauth2Keys[] = 'oauth2'.\ucfirst($key);
+                $oauth2Keys[] = 'oauth2'.\ucfirst($key).'AccessToken';
             }
 
-            $response->json(array_merge($user->getArrayCopy(array_merge(
+            $response->json(\array_merge($user->getArrayCopy(\array_merge(
                 [
                     '$id',
                     'status',
@@ -206,7 +206,7 @@ $utopia->get('/v1/users/:userId/prefs')
             $prefs = $user->getAttribute('prefs', '');
 
             try {
-                $prefs = json_decode($prefs, true);
+                $prefs = \json_decode($prefs, true);
                 $prefs = ($prefs) ? $prefs : [];
             } catch (\Exception $error) {
                 throw new Exception('Failed to parse prefs', 500);
@@ -265,7 +265,7 @@ $utopia->get('/v1/users/:userId/sessions')
 
                 try {
                     $record = $reader->country($token->getAttribute('ip', ''));
-                    $sessions[$index]['geo']['isoCode'] = strtolower($record->country->isoCode);
+                    $sessions[$index]['geo']['isoCode'] = \strtolower($record->country->isoCode);
                     $sessions[$index]['geo']['country'] = (isset($countries[$record->country->isoCode])) ? $countries[$record->country->isoCode] : Locale::getText('locale.country.unknown');
                 } catch (\Exception $e) {
                     $sessions[$index]['geo']['isoCode'] = '--';
@@ -335,7 +335,7 @@ $utopia->get('/v1/users/:userId/logs')
                 $output[$i] = [
                     'event' => $log['event'],
                     'ip' => $log['ip'],
-                    'time' => strtotime($log['time']),
+                    'time' => \strtotime($log['time']),
                     'OS' => $dd->getOs(),
                     'client' => $dd->getClient(),
                     'device' => $dd->getDevice(),
@@ -346,7 +346,7 @@ $utopia->get('/v1/users/:userId/logs')
 
                 try {
                     $record = $reader->country($log['ip']);
-                    $output[$i]['geo']['isoCode'] = strtolower($record->country->isoCode);
+                    $output[$i]['geo']['isoCode'] = \strtolower($record->country->isoCode);
                     $output[$i]['geo']['country'] = $record->country->name;
                     $output[$i]['geo']['country'] = (isset($countries[$record->country->isoCode])) ? $countries[$record->country->isoCode] : Locale::getText('locale.country.unknown');
                 } catch (\Exception $e) {
@@ -376,7 +376,7 @@ $utopia->patch('/v1/users/:userId/status')
                 throw new Exception('User not found', 404);
             }
 
-            $user = $projectDB->updateDocument(array_merge($user->getArrayCopy(), [
+            $user = $projectDB->updateDocument(\array_merge($user->getArrayCopy(), [
                 'status' => (int)$status,
             ]));
 
@@ -391,12 +391,12 @@ $utopia->patch('/v1/users/:userId/status')
                     continue;
                 }
 
-                $oauth2Keys[] = 'oauth2'.ucfirst($key);
-                $oauth2Keys[] = 'oauth2'.ucfirst($key).'AccessToken';
+                $oauth2Keys[] = 'oauth2'.\ucfirst($key);
+                $oauth2Keys[] = 'oauth2'.\ucfirst($key).'AccessToken';
             }
 
             $response
-                ->json(array_merge($user->getArrayCopy(array_merge([
+                ->json(\array_merge($user->getArrayCopy(\array_merge([
                     '$id',
                     'status',
                     'email',
@@ -424,11 +424,11 @@ $utopia->patch('/v1/users/:userId/prefs')
                 throw new Exception('User not found', 404);
             }
 
-            $old = json_decode($user->getAttribute('prefs', '{}'), true);
+            $old = \json_decode($user->getAttribute('prefs', '{}'), true);
             $old = ($old) ? $old : [];
 
-            $user = $projectDB->updateDocument(array_merge($user->getArrayCopy(), [
-                'prefs' => json_encode(array_merge($old, $prefs)),
+            $user = $projectDB->updateDocument(\array_merge($user->getArrayCopy(), [
+                'prefs' => \json_encode(\array_merge($old, $prefs)),
             ]));
 
             if (false === $user) {
@@ -438,7 +438,7 @@ $utopia->patch('/v1/users/:userId/prefs')
             $prefs = $user->getAttribute('prefs', '');
 
             try {
-                $prefs = json_decode($prefs, true);
+                $prefs = \json_decode($prefs, true);
                 $prefs = ($prefs) ? $prefs : [];
             } catch (\Exception $error) {
                 throw new Exception('Failed to parse prefs', 500);
diff --git a/app/controllers/mock.php b/app/controllers/mock.php
index 1600fa857..67e0776a9 100644
--- a/app/controllers/mock.php
+++ b/app/controllers/mock.php
@@ -175,9 +175,9 @@ $utopia->post('/v1/mock/tests/general/upload')
     ->action(
         function ($x, $y, $z, $file) use ($request) {
             $file = $request->getFiles('file');
-            $file['tmp_name'] = (is_array($file['tmp_name'])) ? $file['tmp_name'] : [$file['tmp_name']];
-            $file['name'] = (is_array($file['name'])) ? $file['name'] : [$file['name']];
-            $file['size'] = (is_array($file['size'])) ? $file['size'] : [$file['size']];
+            $file['tmp_name'] = (\is_array($file['tmp_name'])) ? $file['tmp_name'] : [$file['tmp_name']];
+            $file['name'] = (\is_array($file['name'])) ? $file['name'] : [$file['name']];
+            $file['size'] = (\is_array($file['size'])) ? $file['size'] : [$file['size']];
 
             foreach ($file['name'] as $i => $name) {
                 if($name !== 'file.png') {
@@ -192,7 +192,7 @@ $utopia->post('/v1/mock/tests/general/upload')
             }
 
             foreach ($file['tmp_name'] as $i => $tmpName) {
-                if(md5(file_get_contents($tmpName)) !== 'd80e7e6999a3eb2ae0d631a96fe135a4') {
+                if(\md5(\file_get_contents($tmpName)) !== 'd80e7e6999a3eb2ae0d631a96fe135a4') {
                     throw new Exception('Wrong file uploaded', 400);
                 }
             }
@@ -230,7 +230,7 @@ $utopia->get('/v1/mock/tests/general/set-cookie')
     ->label('sdk.description', 'Mock a set cookie request for SDK tests')
     ->action(
         function () use ($response) {
-            $response->addCookie('cookieName', 'cookieValue', time() + 31536000, '/', 'localhost', true, true);
+            $response->addCookie('cookieName', 'cookieValue', \time() + 31536000, '/', 'localhost', true, true);
         }
     );
 
@@ -271,7 +271,7 @@ $utopia->get('/v1/mock/tests/general/oauth2')
     ->param('state', '', function () { return new Text(1024); }, 'OAuth2 state.')
     ->action(
         function ($clientId, $redirectURI, $scope, $state) use ($response) {
-            $response->redirect($redirectURI.'?'.http_build_query(['code' => 'abcdef', 'state' => $state]));
+            $response->redirect($redirectURI.'?'.\http_build_query(['code' => 'abcdef', 'state' => $state]));
         }
     );
 
@@ -348,17 +348,17 @@ $utopia->shutdown(function() use ($response, $request, &$result, $utopia) {
     
     $route  = $utopia->match($request);
     $path   = APP_STORAGE_CACHE.'/tests.json';
-    $tests  = (file_exists($path)) ? json_decode(file_get_contents($path), true) : [];
+    $tests  = (\file_exists($path)) ? \json_decode(\file_get_contents($path), true) : [];
     
-    if(!is_array($tests)) {
+    if(!\is_array($tests)) {
         throw new Exception('Failed to read results', 500);
     }
 
     $result[$route->getMethod() . ':' . $route->getURL()] = true;
 
-    $tests = array_merge($tests, $result);
+    $tests = \array_merge($tests, $result);
 
-    if(!file_put_contents($path, json_encode($tests), LOCK_EX)) {
+    if(!\file_put_contents($path, \json_encode($tests), LOCK_EX)) {
         throw new Exception('Failed to save resutls', 500);
     }
 
diff --git a/app/controllers/shared/api.php b/app/controllers/shared/api.php
index 0f32809fb..97da51031 100644
--- a/app/controllers/shared/api.php
+++ b/app/controllers/shared/api.php
@@ -31,7 +31,7 @@ $utopia->init(function () use ($utopia, $request, $response, $register, $user, $
     //TODO make sure we get array here
 
     foreach ($request->getParams() as $key => $value) { // Set request params as potential abuse keys
-        $timeLimit->setParam('{param-'.$key.'}', (is_array($value)) ? json_encode($value) : $value);
+        $timeLimit->setParam('{param-'.$key.'}', (\is_array($value)) ? \json_encode($value) : $value);
     }
 
     $abuse = new Abuse($timeLimit);
diff --git a/app/controllers/shared/web.php b/app/controllers/shared/web.php
index 513914df9..fced2de4d 100644
--- a/app/controllers/shared/web.php
+++ b/app/controllers/shared/web.php
@@ -37,7 +37,7 @@ $utopia->init(function () use ($utopia, $response, $request, $layout) {
 
     $response
         ->addHeader('Cache-Control', 'public, max-age='.$time)
-        ->addHeader('Expires', date('D, d M Y H:i:s', time() + $time).' GMT') // 45 days cache
+        ->addHeader('Expires', \date('D, d M Y H:i:s', \time() + $time).' GMT') // 45 days cache
         ->addHeader('X-UA-Compatible', 'IE=Edge'); // Deny IE browsers from going into quirks mode
 
     $route = $utopia->match($request);
diff --git a/app/controllers/web/home.php b/app/controllers/web/home.php
index 093faf3eb..cfec346b9 100644
--- a/app/controllers/web/home.php
+++ b/app/controllers/web/home.php
@@ -168,18 +168,18 @@ $utopia->get('/open-api-2.json')
         function ($platform, $extensions, $tests) use ($response, $request, $utopia, $services) {
             function fromCamelCase($input)
             {
-                preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches);
+                \preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches);
                 $ret = $matches[0];
                 foreach ($ret as &$match) {
-                    $match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match);
+                    $match = $match == \strtoupper($match) ? \strtolower($match) : \lcfirst($match);
                 }
 
-                return implode('_', $ret);
+                return \implode('_', $ret);
             }
 
             function fromCamelCaseToDash($input)
             {
-                return str_replace([' ', '_'], '-', strtolower(preg_replace('/([a-zA-Z])(?=[A-Z])/', '$1-', $input)));
+                return \str_replace([' ', '_'], '-', \strtolower(\preg_replace('/([a-zA-Z])(?=[A-Z])/', '$1-', $input)));
             }
 
             foreach ($services as $service) { /* @noinspection PhpIncludeInspection */
@@ -196,7 +196,7 @@ $utopia->get('/open-api-2.json')
                 }
              
                 /** @noinspection PhpIncludeInspection */
-                include_once realpath(__DIR__.'/../../'.$service['controller']);
+                include_once \realpath(__DIR__.'/../../'.$service['controller']);
             }
 
             $security = [
@@ -295,7 +295,7 @@ $utopia->get('/open-api-2.json')
                         'url' => 'https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE',
                     ],
                 ],
-                'host' => parse_url($request->getServer('_APP_HOME', Config::getParam('domain')), PHP_URL_HOST),
+                'host' => \parse_url($request->getServer('_APP_HOME', Config::getParam('domain')), PHP_URL_HOST),
                 'basePath' => '/v1',
                 'schemes' => ['https'],
                 'consumes' => ['application/json', 'multipart/form-data'],
@@ -374,11 +374,11 @@ $utopia->get('/open-api-2.json')
                         continue;
                     }
 
-                    if($platform !== APP_PLATFORM_CONSOLE && !in_array($platforms[$platform], $route->getLabel('sdk.platform', []))) {
+                    if($platform !== APP_PLATFORM_CONSOLE && !\in_array($platforms[$platform], $route->getLabel('sdk.platform', []))) {
                         continue;
                     }
 
-                    $url = str_replace('/v1', '', $route->getURL());
+                    $url = \str_replace('/v1', '', $route->getURL());
                     $scope = $route->getLabel('scope', '');
                     $hide = $route->getLabel('sdk.hide', false);
                     $consumes = ['application/json'];
@@ -387,14 +387,14 @@ $utopia->get('/open-api-2.json')
                         continue;
                     }
 
-                    $desc = (!empty($route->getLabel('sdk.description', ''))) ? realpath('../'.$route->getLabel('sdk.description', '')) : null;
+                    $desc = (!empty($route->getLabel('sdk.description', ''))) ? \realpath('../'.$route->getLabel('sdk.description', '')) : null;
         
                     $temp = [
                         'summary' => $route->getDesc(),
-                        'operationId' => $route->getLabel('sdk.method', uniqid()),
+                        'operationId' => $route->getLabel('sdk.method', \uniqid()),
                         'consumes' => [],
                         'tags' => [$route->getLabel('sdk.namespace', 'default')],
-                        'description' => ($desc) ? file_get_contents($desc) : '',
+                        'description' => ($desc) ? \file_get_contents($desc) : '',
                         
                         // 'responses' => [
                         //     200 => [
@@ -440,7 +440,7 @@ $utopia->get('/open-api-2.json')
                     ];
 
                     foreach ($route->getParams() as $name => $param) {
-                        $validator = (is_callable($param['validator'])) ? $param['validator']() : $param['validator']; /* @var $validator \Utopia\Validator */
+                        $validator = (\is_callable($param['validator'])) ? $param['validator']() : $param['validator']; /* @var $validator \Utopia\Validator */
 
                         $node = [
                             'name' => $name,
@@ -448,14 +448,14 @@ $utopia->get('/open-api-2.json')
                             'required' => !$param['optional'],
                         ];
 
-                        switch ((!empty($validator)) ? get_class($validator) : '') {
+                        switch ((!empty($validator)) ? \get_class($validator) : '') {
                             case 'Utopia\Validator\Text':
                                 $node['type'] = 'string';
-                                $node['x-example'] = '['.strtoupper(fromCamelCase($node['name'])).']';
+                                $node['x-example'] = '['.\strtoupper(fromCamelCase($node['name'])).']';
                                 break;
                             case 'Appwrite\Database\Validator\UID':
                                 $node['type'] = 'string';
-                                $node['x-example'] = '['.strtoupper(fromCamelCase($node['name'])).']';
+                                $node['x-example'] = '['.\strtoupper(fromCamelCase($node['name'])).']';
                                 break;
                             case 'Utopia\Validator\Email':
                                 $node['type'] = 'string';
@@ -517,11 +517,11 @@ $utopia->get('/open-api-2.json')
                                 break;
                         }
 
-                        if ($param['optional'] && !is_null($param['default'])) { // Param has default value
+                        if ($param['optional'] && !\is_null($param['default'])) { // Param has default value
                             $node['default'] = $param['default'];
                         }
 
-                        if (false !== strpos($url, ':'.$name)) { // Param is in URL path
+                        if (false !== \strpos($url, ':'.$name)) { // Param is in URL path
                             $node['in'] = 'path';
                             $temp['parameters'][] = $node;
                         } elseif ($key == 'GET') { // Param is in query
@@ -537,12 +537,12 @@ $utopia->get('/open-api-2.json')
                             }
                         }
 
-                        $url = str_replace(':'.$name, '{'.$name.'}', $url);
+                        $url = \str_replace(':'.$name, '{'.$name.'}', $url);
                     }
 
                     $temp['consumes'] = $consumes;
 
-                    $output['paths'][$url][strtolower($route->getMethod())] = $temp;
+                    $output['paths'][$url][\strtolower($route->getMethod())] = $temp;
                 }
             }
 
@@ -550,7 +550,7 @@ $utopia->get('/open-api-2.json')
                 var_dump($mock['name']);
             }*/
 
-            ksort($output['paths']);
+            \ksort($output['paths']);
 
             $response
                 ->json($output);
diff --git a/app/init.php b/app/init.php
index 798f27123..c58895859 100644
--- a/app/init.php
+++ b/app/init.php
@@ -7,7 +7,7 @@
  * Set configuration, framework resources, app constants
  * 
  */
-if (file_exists(__DIR__.'/../vendor/autoload.php')) {
+if (\file_exists(__DIR__.'/../vendor/autoload.php')) {
     require_once __DIR__.'/../vendor/autoload.php';
 }
 
@@ -68,22 +68,22 @@ Config::setParam('domain', $request->getServer('HTTP_HOST', ''));
 Config::setParam('domainVerification', false);
 Config::setParam('version', $request->getServer('_APP_VERSION', 'UNKNOWN'));
 Config::setParam('protocol', $request->getServer('HTTP_X_FORWARDED_PROTO', $request->getServer('REQUEST_SCHEME', 'https')));
-Config::setParam('port', (string) parse_url(Config::getParam('protocol').'://'.$request->getServer('HTTP_HOST', ''), PHP_URL_PORT));
-Config::setParam('hostname', parse_url(Config::getParam('protocol').'://'.$request->getServer('HTTP_HOST', null), PHP_URL_HOST));
+Config::setParam('port', (string) \parse_url(Config::getParam('protocol').'://'.$request->getServer('HTTP_HOST', ''), PHP_URL_PORT));
+Config::setParam('hostname', \parse_url(Config::getParam('protocol').'://'.$request->getServer('HTTP_HOST', null), PHP_URL_HOST));
 
 Resque::setBackend($request->getServer('_APP_REDIS_HOST', '')
     .':'.$request->getServer('_APP_REDIS_PORT', ''));
 
-define('COOKIE_DOMAIN', 
+\define('COOKIE_DOMAIN', 
     (
         $request->getServer('HTTP_HOST', null) === 'localhost' ||
         $request->getServer('HTTP_HOST', null) === 'localhost:'.Config::getParam('port') ||
-        (filter_var(Config::getParam('hostname'), FILTER_VALIDATE_IP) !== false)
+        (\filter_var(Config::getParam('hostname'), FILTER_VALIDATE_IP) !== false)
     )
         ? null
         : '.'.Config::getParam('hostname')
     );
-define('COOKIE_SAMESITE', Response::COOKIE_SAMESITE_NONE);
+\define('COOKIE_SAMESITE', Response::COOKIE_SAMESITE_NONE);
 
 /*
  * Registry
@@ -152,7 +152,7 @@ $register->set('smtp', function () use ($request) {
     $mail->SMTPAutoTLS = false;
     $mail->CharSet = 'UTF-8';
 
-    $from = urldecode($request->getServer('_APP_SYSTEM_EMAIL_NAME', APP_NAME.' Server'));
+    $from = \urldecode($request->getServer('_APP_SYSTEM_EMAIL_NAME', APP_NAME.' Server'));
     $email = $request->getServer('_APP_SYSTEM_EMAIL_ADDRESS', APP_EMAIL_TEAM);
 
     $mail->setFrom($email, $from);
@@ -219,14 +219,14 @@ Locale::setLanguage('zh-tw', include __DIR__.'/config/locales/zh-tw.php');
 
 Locale::setDefault('en');
 
-if (in_array($locale, Config::getParam('locales'))) {
+if (\in_array($locale, Config::getParam('locales'))) {
     Locale::setDefault($locale);
 }
 
-stream_context_set_default([ // Set global user agent and http settings
+\stream_context_set_default([ // Set global user agent and http settings
     'http' => [
         'method' => 'GET',
-        'user_agent' => sprintf(APP_USERAGENT,
+        'user_agent' => \sprintf(APP_USERAGENT,
             Config::getParam('version'),
             $request->getServer('_APP_SYSTEM_SECURITY_EMAIL_ADDRESS', APP_EMAIL_SECURITY)),
         'timeout' => 2,
@@ -268,7 +268,7 @@ $response->addHeader('X-Debug-Fallback', 'false');
 if(empty($session['id']) && empty($session['secret'])) {
     $response->addHeader('X-Debug-Fallback', 'true');
     $fallback = $request->getHeader('X-Fallback-Cookies', '');
-    $fallback = json_decode($fallback, true);
+    $fallback = \json_decode($fallback, true);
     $session = Auth::decodeSession(((isset($fallback[Auth::$cookieName])) ? $fallback[Auth::$cookieName] : ''));
 }
 
@@ -310,7 +310,7 @@ $register->get('smtp')
     ->setFrom(
         $request->getServer('_APP_SYSTEM_EMAIL_ADDRESS', APP_EMAIL_TEAM),
         ($project->getId() === 'console')
-            ? urldecode($request->getServer('_APP_SYSTEM_EMAIL_NAME', APP_NAME.' Server'))
-            : sprintf(Locale::getText('account.emails.team'), $project->getAttribute('name')
+            ? \urldecode($request->getServer('_APP_SYSTEM_EMAIL_NAME', APP_NAME.' Server'))
+            : \sprintf(Locale::getText('account.emails.team'), $project->getAttribute('name')
         )
     );
diff --git a/app/tasks/init.php b/app/tasks/init.php
index f3c5b9f72..2038beb2f 100644
--- a/app/tasks/init.php
+++ b/app/tasks/init.php
@@ -22,7 +22,7 @@ $cli
 
         Console::log('Issue a TLS certificate for master domain ('.$domain.')');
 
-        ResqueScheduler::enqueueAt(time() + 30, 'v1-certificates', 'CertificatesV1', [
+        ResqueScheduler::enqueueAt(\time() + 30, 'v1-certificates', 'CertificatesV1', [
             'document' => [],
             'domain' => $domain,
             'validateTarget' => false,
@@ -103,7 +103,7 @@ $cli
             Console::log('🟢 HTTP force option is enabled');
         }
 
-        sleep(0.2);
+        \sleep(0.2);
 
         try {
             Console::log("\n".'Checking connectivity...');
@@ -161,9 +161,9 @@ $cli
         $host = $request->getServer('_APP_STATSD_HOST', 'telegraf');
         $port = $request->getServer('_APP_STATSD_PORT', 8125);
 
-        if($fp = @fsockopen('udp://'.$host, $port, $errCode, $errStr, 2)){   
+        if($fp = @\fsockopen('udp://'.$host, $port, $errCode, $errStr, 2)){   
             Console::success('StatsD..............connected 👍');
-            fclose($fp);
+            \fclose($fp);
         } else {
             Console::error('StatsD...........disconnected 👎');
         }
@@ -171,14 +171,14 @@ $cli
         $host = $request->getServer('_APP_INFLUXDB_HOST', '');
         $port = $request->getServer('_APP_INFLUXDB_PORT', '');
 
-        if($fp = @fsockopen($host, $port, $errCode, $errStr, 2)){   
+        if($fp = @\fsockopen($host, $port, $errCode, $errStr, 2)){   
             Console::success('InfluxDB............connected 👍');
-            fclose($fp);
+            \fclose($fp);
         } else {
             Console::error('InfluxDB.........disconnected 👎');
         }
 
-        sleep(0.2);
+        \sleep(0.2);
 
         Console::log('');
         Console::log('Checking volumes...');
@@ -191,14 +191,14 @@ $cli
         ] as $key => $volume) {
             $device = new Local($volume);
 
-            if (is_readable($device->getRoot())) {
+            if (\is_readable($device->getRoot())) {
                 Console::success('🟢 '.$key.' Volume is readable');
             }
             else {
                 Console::error('🔴 '.$key.' Volume is unreadable');
             }
             
-            if (is_writable($device->getRoot())) {
+            if (\is_writable($device->getRoot())) {
                 Console::success('🟢 '.$key.' Volume is writeable');
             }
             else {
@@ -206,7 +206,7 @@ $cli
             }
         }
 
-        sleep(0.2);
+        \sleep(0.2);
 
         Console::log('');
         Console::log('Checking disk space usage...');
@@ -222,7 +222,7 @@ $cli
             $percentage = (($device->getPartitionTotalSpace() - $device->getPartitionFreeSpace())
             / $device->getPartitionTotalSpace()) * 100;
     
-            $message = $key.' Volume has '.Storage::human($device->getPartitionFreeSpace()) . ' free space ('.round($percentage, 2).'% used)';
+            $message = $key.' Volume has '.Storage::human($device->getPartitionFreeSpace()) . ' free space ('.\round($percentage, 2).'% used)';
     
             if ($percentage < 80) {
                 Console::success('🟢 ' . $message);
@@ -235,10 +235,10 @@ $cli
         
         try {
             Console::log('');
-            $version = json_decode(@file_get_contents($request->getServer('_APP_HOME', 'http://localhost').'/v1/health/version'), true);
+            $version = \json_decode(@\file_get_contents($request->getServer('_APP_HOME', 'http://localhost').'/v1/health/version'), true);
             
             if($version && isset($version['version'])) {
-                if(version_compare($version['version'], $request->getServer('_APP_VERSION', 'UNKNOWN')) === 0) {
+                if(\version_compare($version['version'], $request->getServer('_APP_VERSION', 'UNKNOWN')) === 0) {
                     Console::info('You are running the latest version of '.APP_NAME.'! 🥳');
                 }
                 else {
diff --git a/app/tasks/migrate.php b/app/tasks/migrate.php
index e05d1bc0f..fe833e27f 100644
--- a/app/tasks/migrate.php
+++ b/app/tasks/migrate.php
@@ -38,7 +38,7 @@ $callbacks = [
                 'orderCast' => 'string',
             ]);
 
-            $sum = count($all);
+            $sum = \count($all);
             
             Console::log('Migrating: '.$offset.' / '.$projectDB->getSum());
             
@@ -97,17 +97,17 @@ function fixDocument(Document $document) {
 
     if($document->getAttribute('$collection') === Database::SYSTEM_COLLECTION_PROJECTS){
         foreach($providers as $key => $provider) {
-            if(!empty($document->getAttribute('usersOauth'.ucfirst($key).'Appid'))) {
+            if(!empty($document->getAttribute('usersOauth'.\ucfirst($key).'Appid'))) {
                 $document
-                    ->setAttribute('usersOauth2'.ucfirst($key).'Appid', $document->getAttribute('usersOauth'.ucfirst($key).'Appid', ''))
-                    ->removeAttribute('usersOauth'.ucfirst($key).'Appid')
+                    ->setAttribute('usersOauth2'.\ucfirst($key).'Appid', $document->getAttribute('usersOauth'.\ucfirst($key).'Appid', ''))
+                    ->removeAttribute('usersOauth'.\ucfirst($key).'Appid')
                 ;
             }
 
-            if(!empty($document->getAttribute('usersOauth'.ucfirst($key).'Secret'))) {
+            if(!empty($document->getAttribute('usersOauth'.\ucfirst($key).'Secret'))) {
                 $document
-                    ->setAttribute('usersOauth2'.ucfirst($key).'Secret', $document->getAttribute('usersOauth'.ucfirst($key).'Secret', ''))
-                    ->removeAttribute('usersOauth'.ucfirst($key).'Secret')
+                    ->setAttribute('usersOauth2'.\ucfirst($key).'Secret', $document->getAttribute('usersOauth'.\ucfirst($key).'Secret', ''))
+                    ->removeAttribute('usersOauth'.\ucfirst($key).'Secret')
                 ;
             }
         }
@@ -115,17 +115,17 @@ function fixDocument(Document $document) {
 
     if($document->getAttribute('$collection') === Database::SYSTEM_COLLECTION_USERS) {
         foreach($providers as $key => $provider) {
-            if(!empty($document->getAttribute('oauth'.ucfirst($key)))) {
+            if(!empty($document->getAttribute('oauth'.\ucfirst($key)))) {
                 $document
-                    ->setAttribute('oauth2'.ucfirst($key), $document->getAttribute('oauth'.ucfirst($key), ''))
-                    ->removeAttribute('oauth'.ucfirst($key))
+                    ->setAttribute('oauth2'.\ucfirst($key), $document->getAttribute('oauth'.\ucfirst($key), ''))
+                    ->removeAttribute('oauth'.\ucfirst($key))
                 ;
             }
 
-            if(!empty($document->getAttribute('oauth'.ucfirst($key).'AccessToken'))) {
+            if(!empty($document->getAttribute('oauth'.\ucfirst($key).'AccessToken'))) {
                 $document
-                    ->setAttribute('oauth2'.ucfirst($key).'AccessToken', $document->getAttribute('oauth'.ucfirst($key).'AccessToken', ''))
-                    ->removeAttribute('oauth'.ucfirst($key).'AccessToken')
+                    ->setAttribute('oauth2'.\ucfirst($key).'AccessToken', $document->getAttribute('oauth'.\ucfirst($key).'AccessToken', ''))
+                    ->removeAttribute('oauth'.\ucfirst($key).'AccessToken')
                 ;
             }
         }
@@ -141,7 +141,7 @@ function fixDocument(Document $document) {
     if($document->getAttribute('$collection') === Database::SYSTEM_COLLECTION_PLATFORMS) {
         if($document->getAttribute('url', null) !== null) {
             $document
-                ->setAttribute('hostname', parse_url($document->getAttribute('url', $document->getAttribute('hostname', '')), PHP_URL_HOST))
+                ->setAttribute('hostname', \parse_url($document->getAttribute('url', $document->getAttribute('hostname', '')), PHP_URL_HOST))
                 ->removeAttribute('url')
             ;
         }
@@ -159,7 +159,7 @@ function fixDocument(Document $document) {
             $attr = fixDocument($attr);
         }
 
-        if(is_array($attr)) {
+        if(\is_array($attr)) {
             foreach($attr as &$child) {
                 if($child instanceof Document) {
                     $child = fixDocument($child);
@@ -207,7 +207,7 @@ $cli
                 ],
             ]);
 
-            $sum = count($projects);
+            $sum = \count($projects);
             $offset = $offset + $limit;
 
             Console::log('Fetched '.$sum.' projects...');
diff --git a/app/tasks/sdks.php b/app/tasks/sdks.php
index 284344392..0753c4dfe 100644
--- a/app/tasks/sdks.php
+++ b/app/tasks/sdks.php
@@ -29,20 +29,20 @@ $cli
     ->action(function () use ($warning, $version) {
         function getSSLPage($url)
         {
-            $ch = curl_init();
-            curl_setopt($ch, CURLOPT_HEADER, false);
-            curl_setopt($ch, CURLOPT_URL, $url);
-            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
-            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
-            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-            $result = curl_exec($ch);
-            curl_close($ch);
+            $ch = \curl_init();
+            \curl_setopt($ch, CURLOPT_HEADER, false);
+            \curl_setopt($ch, CURLOPT_URL, $url);
+            \curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+            \curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+            \curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+            $result = \curl_exec($ch);
+            \curl_close($ch);
 
             return $result;
         }
 
         $platforms = Config::getParam('platforms');
-        $selected = strtolower(Console::confirm('Choose SDK ("*" for all):'));
+        $selected = \strtolower(Console::confirm('Choose SDK ("*" for all):'));
         $message = Console::confirm('Please enter your commit message:');
         $production = (Console::confirm('Type "Appwrite" to deploy for production') == 'Appwrite');
 
@@ -63,14 +63,14 @@ $cli
                 $spec = getSSLPage('https://appwrite.io/v1/open-api-2.json?extensions=1&platform='.$language['family']);
                 $spec = getSSLPage('https://localhost/v1/open-api-2.json?extensions=1&platform='.$language['family']);
 
-                $result = realpath(__DIR__.'/..').'/sdks/'.$key.'-'.$language['key'];
-                $target = realpath(__DIR__.'/..').'/sdks/git/'.$language['key'].'/';
-                $readme = realpath(__DIR__ . '/../../docs/sdks/'.$language['key'].'/README.md');
-                $readme = ($readme) ? file_get_contents($readme) : '';
-                $examples = realpath(__DIR__ . '/../../docs/sdks/'.$language['key'].'/EXAMPLES.md');
-                $examples = ($examples) ? file_get_contents($examples) : '';
-                $changelog = realpath(__DIR__ . '/../../docs/sdks/'.$language['key'].'/CHANGELOG.md');
-                $changelog = ($changelog) ? file_get_contents($changelog) : '# Change Log';
+                $result = \realpath(__DIR__.'/..').'/sdks/'.$key.'-'.$language['key'];
+                $target = \realpath(__DIR__.'/..').'/sdks/git/'.$language['key'].'/';
+                $readme = \realpath(__DIR__ . '/../../docs/sdks/'.$language['key'].'/README.md');
+                $readme = ($readme) ? \file_get_contents($readme) : '';
+                $examples = \realpath(__DIR__ . '/../../docs/sdks/'.$language['key'].'/EXAMPLES.md');
+                $examples = ($examples) ? \file_get_contents($examples) : '';
+                $changelog = \realpath(__DIR__ . '/../../docs/sdks/'.$language['key'].'/CHANGELOG.md');
+                $changelog = ($changelog) ? \file_get_contents($changelog) : '# Change Log';
                 $warning = ($language['beta']) ? '**This SDK is compatible with Appwrite server version ' . $version . '. For older versions, please check previous releases.**' : '';
                 $license = 'BSD-3-Clause';
                 $licenseContent = 'Copyright (c) 2019 Appwrite (https://appwrite.io) and individual contributors.
@@ -186,7 +186,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
                     $gitUrl = 'git@github.com:aw-tests/'.$language['gitRepoName'].'.git';
                 }
 
-                exec('rm -rf '.$target.' && \
+                \exec('rm -rf '.$target.' && \
                     mkdir -p '.$target.' && \
                     cd '.$target.' && \
                     git init && \
@@ -201,7 +201,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 
                 Console::success("Pushed {$language['name']} SDK to {$gitUrl}");
          
-                exec('rm -rf '.$target);
+                \exec('rm -rf '.$target);
 
                 Console::success("Remove temp directory '{$target}' for {$language['name']} SDK");
             }
diff --git a/app/workers/audits.php b/app/workers/audits.php
index 9524fc89e..9ffb85e57 100644
--- a/app/workers/audits.php
+++ b/app/workers/audits.php
@@ -2,7 +2,7 @@
 
 require_once __DIR__.'/../init.php';
 
-cli_set_process_title('Audits V1 Worker');
+\cli_set_process_title('Audits V1 Worker');
 
 echo APP_NAME.' audits worker v1 has started';
 
diff --git a/app/workers/certificates.php b/app/workers/certificates.php
index 4c3c47336..b04c7409c 100644
--- a/app/workers/certificates.php
+++ b/app/workers/certificates.php
@@ -9,7 +9,7 @@ use Appwrite\Network\Validator\CNAME;
 
 require_once __DIR__.'/../init.php';
 
-cli_set_process_title('Certificates V1 Worker');
+\cli_set_process_title('Certificates V1 Worker');
 
 echo APP_NAME.' certificates worker v1 has started';
 
@@ -51,7 +51,7 @@ class CertificatesV1
         $domain = new Domain((!empty($domain)) ? $domain : '');
         $expiry = 60 * 60 * 24 * 30 * 2; // 60 days
         $safety = 60 * 60; // 1 hour
-        $renew  = (time() + $expiry);
+        $renew  = (\time() + $expiry);
 
         if(empty($domain->get())) {
             throw new Exception('Missing domain');
@@ -101,13 +101,13 @@ class CertificatesV1
 
         if(!empty($certificate)
             && isset($certificate['issueDate'])
-            && (($certificate['issueDate'] + ($expiry)) > time())) { // Check last issue time
+            && (($certificate['issueDate'] + ($expiry)) > \time())) { // Check last issue time
                 throw new Exception('Renew isn\'t required');
         }
 
         $staging = (Config::getParam('env') === App::MODE_TYPE_PRODUCTION) ? '' : ' --dry-run';
 
-        $response = shell_exec("certbot certonly --webroot --noninteractive --agree-tos{$staging} \
+        $response = \shell_exec("certbot certonly --webroot --noninteractive --agree-tos{$staging} \
             --email ".$request->getServer('_APP_SYSTEM_EMAIL_ADDRESS', 'security@localhost.test')." \
             -w ".APP_STORAGE_CERTIFICATES." \
             -d {$domain->get()}");
@@ -118,39 +118,39 @@ class CertificatesV1
 
         $path = APP_STORAGE_CERTIFICATES.'/'.$domain->get();
 
-        if(!is_readable($path)) {
-            if (!mkdir($path, 0755, true)) {
+        if(!\is_readable($path)) {
+            if (!\mkdir($path, 0755, true)) {
                 throw new Exception('Failed to create path...');
             }
         }
         
-        if(!@rename('/etc/letsencrypt/live/'.$domain->get().'/cert.pem', APP_STORAGE_CERTIFICATES.'/'.$domain->get().'/cert.pem')) {
-            throw new Exception('Failed to rename certificate cert.pem: '.json_encode($response));
+        if(!@\rename('/etc/letsencrypt/live/'.$domain->get().'/cert.pem', APP_STORAGE_CERTIFICATES.'/'.$domain->get().'/cert.pem')) {
+            throw new Exception('Failed to rename certificate cert.pem: '.\json_encode($response));
         }
 
-        if(!@rename('/etc/letsencrypt/live/'.$domain->get().'/chain.pem', APP_STORAGE_CERTIFICATES.'/'.$domain->get().'/chain.pem')) {
-            throw new Exception('Failed to rename certificate chain.pem: '.json_encode($response));
+        if(!@\rename('/etc/letsencrypt/live/'.$domain->get().'/chain.pem', APP_STORAGE_CERTIFICATES.'/'.$domain->get().'/chain.pem')) {
+            throw new Exception('Failed to rename certificate chain.pem: '.\json_encode($response));
         }
 
-        if(!@rename('/etc/letsencrypt/live/'.$domain->get().'/fullchain.pem', APP_STORAGE_CERTIFICATES.'/'.$domain->get().'/fullchain.pem')) {
-            throw new Exception('Failed to rename certificate fullchain.pem: '.json_encode($response));
+        if(!@\rename('/etc/letsencrypt/live/'.$domain->get().'/fullchain.pem', APP_STORAGE_CERTIFICATES.'/'.$domain->get().'/fullchain.pem')) {
+            throw new Exception('Failed to rename certificate fullchain.pem: '.\json_encode($response));
         }
 
-        if(!@rename('/etc/letsencrypt/live/'.$domain->get().'/privkey.pem', APP_STORAGE_CERTIFICATES.'/'.$domain->get().'/privkey.pem')) {
-            throw new Exception('Failed to rename certificate privkey.pem: '.json_encode($response));
+        if(!@\rename('/etc/letsencrypt/live/'.$domain->get().'/privkey.pem', APP_STORAGE_CERTIFICATES.'/'.$domain->get().'/privkey.pem')) {
+            throw new Exception('Failed to rename certificate privkey.pem: '.\json_encode($response));
         }
 
-        $certificate = array_merge($certificate, [
+        $certificate = \array_merge($certificate, [
             '$collection' => Database::SYSTEM_COLLECTION_CERTIFICATES,
             '$permissions' => [
                 'read' => [],
                 'write' => [],
             ],
             'domain' => $domain->get(),
-            'issueDate' => time(),
+            'issueDate' => \time(),
             'renewDate' => $renew,
             'attempts' => 0,
-            'log' => json_encode($response),
+            'log' => \json_encode($response),
         ]);
 
         $certificate = $consoleDB->createDocument($certificate);
@@ -160,8 +160,8 @@ class CertificatesV1
         }
 
         if(!empty($document)) {
-            $document = array_merge($document, [
-                'updated' => time(),
+            $document = \array_merge($document, [
+                'updated' => \time(),
                 'certificateId' => $certificate->getId(),
             ]);
     
@@ -178,7 +178,7 @@ class CertificatesV1
     - certFile: /storage/certificates/{$domain->get()}/fullchain.pem
       keyFile: /storage/certificates/{$domain->get()}/privkey.pem";
 
-        if(!file_put_contents(APP_STORAGE_CONFIG.'/'.$domain->get().'.yml', $config)) {
+        if(!\file_put_contents(APP_STORAGE_CONFIG.'/'.$domain->get().'.yml', $config)) {
             throw new Exception('Failed to save SSL configuration');
         }
 
diff --git a/app/workers/deletes.php b/app/workers/deletes.php
index 3c9020f5b..aa0cbe6c2 100644
--- a/app/workers/deletes.php
+++ b/app/workers/deletes.php
@@ -2,7 +2,7 @@
 
 require_once __DIR__.'/../init.php';
 
-cli_set_process_title('Deletes V1 Worker');
+\cli_set_process_title('Deletes V1 Worker');
 
 echo APP_NAME.' deletes worker v1 has started';
 
diff --git a/app/workers/mails.php b/app/workers/mails.php
index c46fda89d..6835f3071 100644
--- a/app/workers/mails.php
+++ b/app/workers/mails.php
@@ -2,7 +2,7 @@
 
 require_once __DIR__.'/../init.php';
 
-cli_set_process_title('Mails V1 Worker');
+\cli_set_process_title('Mails V1 Worker');
 
 echo APP_NAME.' mails worker v1 has started';
 
@@ -32,7 +32,7 @@ class MailsV1
         $mail->addAddress($recipient, $name);
         $mail->Subject = $subject;
         $mail->Body = $body;
-        $mail->AltBody = strip_tags($body);
+        $mail->AltBody = \strip_tags($body);
 
         try {
             $mail->send();
diff --git a/app/workers/tasks.php b/app/workers/tasks.php
index 8ac494c9f..db664d567 100644
--- a/app/workers/tasks.php
+++ b/app/workers/tasks.php
@@ -7,7 +7,7 @@ use Appwrite\Database\Database;
 use Appwrite\Database\Validator\Authorization;
 use Cron\CronExpression;
 
-cli_set_process_title('Tasks V1 Worker');
+\cli_set_process_title('Tasks V1 Worker');
 
 echo APP_NAME.' tasks worker v1 has started';
 
@@ -42,7 +42,7 @@ class TasksV1
         $taskId = (isset($this->args['$id'])) ? $this->args['$id'] : null;
         $updated = (isset($this->args['updated'])) ? $this->args['updated'] : null;
         $next = (isset($this->args['next'])) ? $this->args['next'] : null;
-        $delay = time() - $next;
+        $delay = \time() - $next;
         $errors = [];
         $timeout = 60 * 5; // 5 minutes
         $errorLimit = 5;
@@ -59,7 +59,7 @@ class TasksV1
 
         Authorization::enable();
 
-        if (is_null($task->getId()) || Database::SYSTEM_COLLECTION_TASKS !== $task->getCollection()) {
+        if (\is_null($task->getId()) || Database::SYSTEM_COLLECTION_TASKS !== $task->getCollection()) {
             throw new Exception('Task Not Found');
         }
 
@@ -75,69 +75,69 @@ class TasksV1
 
         $cron = CronExpression::factory($task->getAttribute('schedule'));
         $next = (int) $cron->getNextRunDate()->format('U');
-        $headers = (is_array($task->getAttribute('httpHeaders', []))) ? $task->getAttribute('httpHeaders', []) : [];
+        $headers = (\is_array($task->getAttribute('httpHeaders', []))) ? $task->getAttribute('httpHeaders', []) : [];
 
         $task
             ->setAttribute('next', $next)
-            ->setAttribute('previous', time())
+            ->setAttribute('previous', \time())
         ;
 
         ResqueScheduler::enqueueAt($next, 'v1-tasks', 'TasksV1', $task->getArrayCopy());  // Async task rescheduale
 
-        $startTime = microtime(true);
+        $startTime = \microtime(true);
 
         // Execute Task
 
-        $ch = curl_init($task->getAttribute('httpUrl'));
+        $ch = \curl_init($task->getAttribute('httpUrl'));
 
-        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $task->getAttribute('httpMethod'));
-        curl_setopt($ch, CURLOPT_POSTFIELDS, '');
-        curl_setopt($ch, CURLOPT_HEADER, 0);
-        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-        curl_setopt($ch, CURLOPT_USERAGENT, sprintf(APP_USERAGENT,
+        \curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $task->getAttribute('httpMethod'));
+        \curl_setopt($ch, CURLOPT_POSTFIELDS, '');
+        \curl_setopt($ch, CURLOPT_HEADER, 0);
+        \curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        \curl_setopt($ch, CURLOPT_USERAGENT, \sprintf(APP_USERAGENT,
             Config::getParam('version'),
             $request->getServer('_APP_SYSTEM_SECURITY_EMAIL_ADDRESS', APP_EMAIL_SECURITY)
         ));
-        curl_setopt(
+        \curl_setopt(
             $ch,
             CURLOPT_HTTPHEADER,
-            array_merge($headers, [
+            \array_merge($headers, [
                 'X-'.APP_NAME.'-Task-ID: '.$task->getAttribute('$id', ''),
                 'X-'.APP_NAME.'-Task-Name: '.$task->getAttribute('name', ''),
             ])
         );
-        curl_setopt($ch, CURLOPT_HEADER, true);  // we want headers
-        curl_setopt($ch, CURLOPT_NOBODY, true);
-        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
+        \curl_setopt($ch, CURLOPT_HEADER, true);  // we want headers
+        \curl_setopt($ch, CURLOPT_NOBODY, true);
+        \curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
 
         if (!$task->getAttribute('security', true)) {
-            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
-            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+            \curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+            \curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
         }
 
         $httpUser = $task->getAttribute('httpUser');
         $httpPass = $task->getAttribute('httpPass');
 
         if (!empty($httpUser) && !empty($httpPass)) {
-            curl_setopt($ch, CURLOPT_USERPWD, "$httpUser:$httpPass");
-            curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+            \curl_setopt($ch, CURLOPT_USERPWD, "$httpUser:$httpPass");
+            \curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
         }
 
-        $response = curl_exec($ch);
+        $response = \curl_exec($ch);
 
         if (false === $response) {
-            $errors[] = curl_error($ch).'Failed to execute task';
+            $errors[] = \curl_error($ch).'Failed to execute task';
         }
 
-        $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
-        $codeFamily = mb_substr($code, 0, 1);
-        $headersSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
-        $headers = substr($response, 0, $headersSize);
-        $body = substr($response, $headersSize);
+        $code = \curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        $codeFamily = \mb_substr($code, 0, 1);
+        $headersSize = \curl_getinfo($ch, CURLINFO_HEADER_SIZE);
+        $headers = \substr($response, 0, $headersSize);
+        $body = \substr($response, $headersSize);
 
-        curl_close($ch);
+        \curl_close($ch);
 
-        $totalTime = round(microtime(true) - $startTime, 2);
+        $totalTime = \round(\microtime(true) - $startTime, 2);
 
         switch ($codeFamily) {
             case '2':
@@ -157,16 +157,16 @@ class TasksV1
                 ->setAttribute('status', ($task->getAttribute('failures') >= $errorLimit) ? 'pause' : 'play')
             ;
 
-            $alert = 'Task "'.$task->getAttribute('name').'" failed to execute with the following errors: '.implode("\n", $errors);
+            $alert = 'Task "'.$task->getAttribute('name').'" failed to execute with the following errors: '.\implode("\n", $errors);
         }
 
-        $log = json_decode($task->getAttribute('log', '{}'), true);
+        $log = \json_decode($task->getAttribute('log', '{}'), true);
 
-        if (count($log) >= $logLimit) {
-            array_pop($log);
+        if (\count($log) >= $logLimit) {
+            \array_pop($log);
         }
 
-        array_unshift($log, [
+        \array_unshift($log, [
             'code' => $code,
             'duration' => $totalTime,
             'delay' => $delay,
@@ -176,7 +176,7 @@ class TasksV1
         ]);
 
         $task
-            ->setAttribute('log', json_encode($log))
+            ->setAttribute('log', \json_encode($log))
             ->setAttribute('duration', $totalTime)
             ->setAttribute('delay', $delay)
         ;
diff --git a/app/workers/usage.php b/app/workers/usage.php
index e5f673361..0d0811c33 100644
--- a/app/workers/usage.php
+++ b/app/workers/usage.php
@@ -4,7 +4,7 @@ use Utopia\Config\Config;
 
 require_once __DIR__.'/../init.php';
 
-cli_set_process_title('Usage V1 Worker');
+\cli_set_process_title('Usage V1 Worker');
 
 echo APP_NAME.' usage worker v1 has started';
 
@@ -36,7 +36,7 @@ class UsageV1
         // the global namespace is prepended to every key (optional)
         $statsd->setNamespace('appwrite.usage');
 
-        $statsd->increment('requests.all'.$tags.',method='.strtolower($method));
+        $statsd->increment('requests.all'.$tags.',method='.\strtolower($method));
 
         $statsd->count('network.all'.$tags, $request + $response);
         $statsd->count('network.inbound'.$tags, $request);
diff --git a/app/workers/webhooks.php b/app/workers/webhooks.php
index e7c6157a8..ecd9360d2 100644
--- a/app/workers/webhooks.php
+++ b/app/workers/webhooks.php
@@ -2,7 +2,7 @@
 
 require_once __DIR__.'/../init.php';
 
-cli_set_process_title('Webhooks V1 Worker');
+\cli_set_process_title('Webhooks V1 Worker');
 
 echo APP_NAME.' webhooks worker v1 has started';
 
@@ -27,7 +27,7 @@ class WebhooksV1
         // Event
         $projectId = $this->args['projectId'];
         $event = $this->args['event'];
-        $payload = json_encode($this->args['payload']);
+        $payload = \json_encode($this->args['payload']);
 
         // Webhook
 
@@ -37,12 +37,12 @@ class WebhooksV1
 
         Authorization::enable();
 
-        if (is_null($project->getId()) || Database::SYSTEM_COLLECTION_PROJECTS !== $project->getCollection()) {
+        if (\is_null($project->getId()) || Database::SYSTEM_COLLECTION_PROJECTS !== $project->getCollection()) {
             throw new Exception('Project Not Found');
         }
 
         foreach ($project->getAttribute('webhooks', []) as $webhook) {
-            if (!(isset($webhook['events']) && is_array($webhook['events']) && in_array($event, $webhook['events']))) {
+            if (!(isset($webhook['events']) && \is_array($webhook['events']) && \in_array($event, $webhook['events']))) {
                 continue;
             }
 
@@ -53,22 +53,22 @@ class WebhooksV1
             $httpUser = (isset($webhook['httpUser'])) ? $webhook['httpUser'] : null;
             $httpPass = (isset($webhook['httpPass'])) ? $webhook['httpPass'] : null;
 
-            $ch = curl_init($url);
+            $ch = \curl_init($url);
 
-            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
-            curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
-            curl_setopt($ch, CURLOPT_HEADER, 0);
-            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-            curl_setopt($ch, CURLOPT_USERAGENT, sprintf(APP_USERAGENT,
+            \curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
+            \curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
+            \curl_setopt($ch, CURLOPT_HEADER, 0);
+            \curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+            \curl_setopt($ch, CURLOPT_USERAGENT, \sprintf(APP_USERAGENT,
                 Config::getParam('version'),
                 $request->getServer('_APP_SYSTEM_SECURITY_EMAIL_ADDRESS', APP_EMAIL_SECURITY)
             ));
-            curl_setopt(
+            \curl_setopt(
                 $ch,
                 CURLOPT_HTTPHEADER,
                 [
                     'Content-Type: application/json',
-                    'Content-Length: '.strlen($payload),
+                    'Content-Length: '.\strlen($payload),
                     'X-'.APP_NAME.'-Webhook-Event: '.$event,
                     'X-'.APP_NAME.'-Webhook-Name: '.$name,
                     'X-'.APP_NAME.'-Webhook-Signature: '.$signature,
@@ -76,24 +76,24 @@ class WebhooksV1
             );
 
             if (!$security) {
-                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
-                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+                \curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+                \curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
             }
 
             if (!empty($httpUser) && !empty($httpPass)) {
-                curl_setopt($ch, CURLOPT_USERPWD, "$httpUser:$httpPass");
-                curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+                \curl_setopt($ch, CURLOPT_USERPWD, "$httpUser:$httpPass");
+                \curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
             }
 
-            if (false === curl_exec($ch)) {
-                $errors[] = curl_error($ch).' in event '.$event.' for webhook '.$name;
+            if (false === \curl_exec($ch)) {
+                $errors[] = \curl_error($ch).' in event '.$event.' for webhook '.$name;
             }
 
-            curl_close($ch);
+            \curl_close($ch);
         }
 
         if (!empty($errors)) {
-            throw new Exception(implode(" / \n\n", $errors));
+            throw new Exception(\implode(" / \n\n", $errors));
         }
     }