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