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<?php |
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namespace TYPO3\CMS\Core\Service; |
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/* |
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* This file is part of the TYPO3 CMS project. |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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/** |
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* Class with helper functions for clearing the PHP opcache. |
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* It auto detects the opcache system and invalidates/resets it. |
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* http://forge.typo3.org/issues/55252 |
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* Supported opcaches are: OPcache >= 7.0 (PHP 5.5) |
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*/ |
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class OpcodeCacheService |
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{ |
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/** |
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* Returns all supported and active opcaches |
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* |
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* @return array Array filled with supported and active opcaches |
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*/ |
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public function getAllActive() |
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{ |
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$supportedCaches = [ |
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'OPcache' => [ |
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'active' => extension_loaded('Zend OPcache') && ini_get('opcache.enable') === '1', |
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'version' => phpversion('Zend OPcache'), |
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'warning' => self::isClearable() ? false : 'Either opcache_invalidate or opcache_reset are disabled in this installation. Clearing will not work.', |
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'clearCallback' => static function ($fileAbsPath) { |
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if (self::isClearable()) { |
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if ($fileAbsPath !== null) { |
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opcache_invalidate($fileAbsPath); |
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} else { |
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opcache_reset(); |
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} |
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} |
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}, |
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], |
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]; |
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$activeCaches = []; |
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foreach ($supportedCaches as $opcodeCache => $properties) { |
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if ($properties['active']) { |
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$activeCaches[$opcodeCache] = $properties; |
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} |
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} |
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return $activeCaches; |
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} |
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/** |
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* Clears a file from an opcache, if one exists. |
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* |
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* @param string|null $fileAbsPath The file as absolute path to be cleared or NULL to clear completely. |
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*/ |
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public function clearAllActive($fileAbsPath = null) |
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{ |
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foreach ($this->getAllActive() as $properties) { |
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$callback = $properties['clearCallback']; |
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$callback($fileAbsPath); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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protected static function isClearable(): bool |
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{ |
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$disabled = explode(',', ini_get('disable_functions')); |
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return !(in_array('opcache_invalidate', $disabled, true) || in_array('opcache_reset', $disabled, true)); |
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} |
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} |
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TYPO3 /
TYPO3.CMS
