TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3\CMS\Core\Service;
+
+/**
+ * Class with helper functions for clearing the PHP opcache.
+ * It auto-detects the opcache system and invalidates/resets it.
+ * https://forge.typo3.org/issues/55252
+ * Supported opcaches are: OPcache >= 7.0 (PHP 5.5)
+ */
+readonly class OpcodeCacheService
+{
+    /**
+     * Returns all supported and active opcaches
+     *
+     * @return array Array filled with supported and active opcaches
+     */
+    public function getAllActive(): array
+    {
+        $supportedCaches = [
+            'OPcache' => [
+                'active' => extension_loaded('Zend OPcache') && ini_get('opcache.enable') === '1',
+                'version' => phpversion('Zend OPcache'),
+                'warning' => self::isClearable() ? false : 'Either opcache_invalidate or opcache_reset are disabled in this installation. Clearing will not work.',
+                'clearCallback' => static function ($fileAbsPath) {
+                    if (self::isClearable()) {
+                        if ($fileAbsPath !== null) {
+                            opcache_invalidate($fileAbsPath);
+                        } else {
+                            opcache_reset();
+                        }
+                    }
+                },
+            ],
+        ];
+        $activeCaches = [];
+        foreach ($supportedCaches as $opcodeCache => $properties) {
+            if ($properties['active']) {
+                $activeCaches[$opcodeCache] = $properties;
+            }
+        }
+        return $activeCaches;
+    }
+
+    /**
+     * Clears a file from an opcache, if one exists.
+     *
+     * @param string|null $fileAbsPath The file as absolute path to be cleared or NULL to clear completely.
+     */
+    public function clearAllActive(?string $fileAbsPath = null): void
+    {
+        foreach ($this->getAllActive() as $properties) {
+            $callback = $properties['clearCallback'];
+            $callback($fileAbsPath);
+        }
+    }
+
+    protected static function isClearable(): bool
+    {
+        $disabled = explode(',', (string)ini_get('disable_functions'));
+        return function_exists('opcache_invalidate')
+            && function_exists('opcache_reset')
+            && !(in_array('opcache_invalidate', $disabled, true) || in_array('opcache_reset', $disabled, true));
+    }
+}