81 lines
2.7 KiB
PHP
81 lines
2.7 KiB
PHP
<?php
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declare(strict_types=1);
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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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namespace TYPO3\CMS\Core\Service;
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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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* https://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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readonly 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(): array
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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(?string $fileAbsPath = null): void
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{
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foreach ($this->getAllActive() as $properties) {
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$callback = $properties['clearCallback'];
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$callback($fileAbsPath);
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}
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}
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protected static function isClearable(): bool
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{
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$disabled = explode(',', (string)ini_get('disable_functions'));
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return function_exists('opcache_invalidate')
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&& function_exists('opcache_reset')
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&& !(in_array('opcache_invalidate', $disabled, true) || in_array('opcache_reset', $disabled, true));
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}
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}
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