diff core/lib/Drupal/Component/Utility/OpCodeCache.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Component/Utility/OpCodeCache.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,40 @@
+<?php
+
+namespace Drupal\Component\Utility;
+
+/**
+ * Provides helpers to handle PHP opcode caches.
+ *
+ * @ingroup utility
+ */
+class OpCodeCache {
+
+  /**
+   * Checks if OpCodeCache is enabled.
+   *
+   * @return bool
+   *   TRUE if opcache is enabled, FALSE otherwise.
+   */
+  public static function isEnabled() {
+    return extension_loaded('Zend OPcache') && ini_get('opcache.enable');
+  }
+
+  /**
+   * Invalidates a PHP file from a possibly active opcode cache.
+   *
+   * In case the opcode cache does not support to invalidate an individual file,
+   * the entire cache will be flushed.
+   *
+   * @param string $pathname
+   *   The absolute pathname of the PHP file to invalidate.
+   */
+  public static function invalidate($pathname) {
+    clearstatcache(TRUE, $pathname);
+
+    // Check if the Zend OPcache is enabled and if so invalidate the file.
+    if (function_exists('opcache_invalidate')) {
+      opcache_invalidate($pathname, TRUE);
+    }
+  }
+
+}