| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace OPCache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use OPCache\FCGIRequest; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use OPCache\HTTPRequest; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use OPCache\OPCacheConfiguration; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use OPCache\OPCacheStatus; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | class OPCache { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |   private $queryString; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |   private $scripts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |   private $servers; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |   private $uri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |   public function __construct() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     $this->servers = variable_get('opcache_backends', NULL); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |   private function buildQueryString($params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     $this->buildUri($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     $this->queryString = 'q=' . $this->uri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |   private function buildUri($params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     $token = $this->getToken(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     $this->uri = 'opcache/' . REQUEST_TIME . '/' . $token . '/' . $params['op']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     if (isset($params['script'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |       $this->uri .= '/' . $params['script']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     if ($params['op'] == 'reset' && $params['all']) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |       $this->uri .= '/all'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |   public function cacheClear() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     if (!$this->servers) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |       return $this->reset(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     // Multiple backends must be cleared. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     $params = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     $params['op'] = 'reset'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     $this->multiBackendRequest($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |   public function config() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     $config = new OPCacheConfiguration(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     return $config->getDirectives(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |   private function drushBuildUrl($server, $params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     $this->buildQueryString($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     $url = "{$server}?{$this->queryString}"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     return $url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |   public function drushInvalidate($script) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     $params = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     $params['op'] = 'invalidate'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     $params['script'] = $script; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     $this->drushRequest($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |   } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 66 |  |  |   public function drushReset($all) { | 
            
                                                                        
                            
            
                                    
            
            
                | 67 |  |  |     $params = array(); | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  |     $params['op'] = 'reset'; | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  |     $params['all'] = $all; | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |     $this->drushRequest($params); | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |   public function drushStatus() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     $params = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     $params['op'] = 'status'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     return $this->drushRequest($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |   private function drushRequest($params = array()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     global $base_url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     if (preg_match('/default$/', $base_url) && !$this->servers) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |       drush_log(dt("In order to properly reset the OPcache cache, please use the -l/--uri flag to specify the correct URL of this Drupal installation, or specify paths to the PHP proxy servers in the OPcache module's settings form."), 'error'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |       return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     if (!$this->servers) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |       $server = url('<front>', array('absolute' => TRUE)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |       $this->httpRequest($server, $params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |       $this->multiBackendRequest($params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |   private function fcgiRequest($server, $params) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     $fcgi = substr($server, 7); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |     try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |       $command = new FCGIRequest($fcgi, $this->uri, $this->queryString); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |       $command->run(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |       watchdog('opcache', 'An error was encountered clearing OPCache on %server. Message: %error', array('%server' => $server, '%error' => $e->getMessage()), WATCHDOG_ERROR); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |   private function getScripts() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     $status = new OPCacheStatus(TRUE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     $scripts = $status->getScripts(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     foreach ($scripts as $script) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |       if (strpos($script['full_path'], DRUPAL_ROOT) !== FALSE) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         $this->scripts[] = $script['full_path']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |       } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |   public function getToken($request_time = REQUEST_TIME) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     return drupal_hmac_base64('opcache:' . $request_time, drupal_get_private_key() . drupal_get_hash_salt()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |   private function httpRequest($server, $params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     global $base_url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     $urldata = @parse_url($base_url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     $url = $this->drushBuildUrl($server, $params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |       $client = new HTTPRequest(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |       $request = $client->createRequest('GET', $url); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |       $request->setHeader('Host', $urldata['host']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |       $response = $client->send($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |       $status = $response->getStatusCode(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |       $this->logResponse($server, $status, $params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |       watchdog('opcache', 'An error was encountered clearing OPCache on %server. Message: %error', array('%server' => $server, '%error' => $e->getMessage()), WATCHDOG_ERROR); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |   public function isEnabled() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |     $status = new OPCacheStatus(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |     $info = $status->getCurrentStatus(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     if ($info['opcache_enabled']) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |       return TRUE; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |   public function invalidate($script, $force = FALSE) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     return opcache_invalidate($script, $force); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |   public function invalidateMultiple(array $scripts, $force = FALSE) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |     $invalidation_counter = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     if (!empty($scripts)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |       foreach ($scripts as $script) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |         $this->invalidate($script, $force); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |         $invalidation_counter++; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |       } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |       watchdog('opcache', '@scripts scripts were invalidated in OPCache.', array('@scripts' => $invalidation_counter), WATCHDOG_INFO); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |       watchdog('opcache', 'No scripts were available for invalidation in OPCache.', array(), WATCHDOG_INFO); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |   private function logResponse($server, $status, $params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |     switch ($status) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |       case 200: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |         if ($params['op'] === 'reset') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |           watchdog('opcache', 'OPcache was reset at @server.', array('@server' => $server), WATCHDOG_INFO); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |         elseif ($params['op'] === 'invalidate') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |           watchdog('opcache', '@script was invalidated in OPcache at @server.', array('@script' => $params['script'], '@server' => $server), WATCHDOG_INFO); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |         break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |       case 404: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |         watchdog('opcache', 'OPcache operation at @server failed; the reset path could not be found (404).', array('@server' => $server), WATCHDOG_ERROR); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |         break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |       case 403: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         watchdog('opcache', 'OPcache operation at @server failed; access to the reset path was denied (403). This may happen if too much time elapsed during the request process. Please try again.', array('@server' => $server), WATCHDOG_ERROR); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |         break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |       case 0: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |         watchdog('opcache', 'OPcache operation at @server failed; server could not be reached.', array('@server' => $server), WATCHDOG_ERROR); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |         break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |       default: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |         watchdog('opcache', 'OPcache operation at @server failed; status code @code.', array('@server' => $server, '@code' => $status), WATCHDOG_ERROR); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |   private function multiBackendRequest($params) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |     foreach ($this->servers as $server) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |       if (substr($server, 0, 7) == 'fcgi://') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |         $method = 'fcgiRequest'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |       } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |       else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |         $method = 'httpRequest'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |       } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |       $this->{$method}($server, $params); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |   public function reset($all = FALSE) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |     if ($all) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |       return opcache_reset(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |     $this->getScripts(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |     $this->invalidateMultiple($this->scripts, TRUE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |   public function status() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     $status = new OPCacheStatus(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |     return $status->getStatusData(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |   public function verifyToken($request_time, $token) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |     return $token === $this->getToken($request_time); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |   } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 217 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 218 |  |  |  | 
            
                        
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.