class OpCodeCache in Drupal 8

Provides helpers to handle PHP opcode caches.

Hierarchy

• class \Drupal\Component\Utility\OpCodeCache

Related topics

Utility classes and functions

Overview of utility classes and functions for developers.

3 files declare their use of OpCodeCache

install.inc in core/includes/install.inc

API functions for installing modules and themes.

install.php in core/install.php

Initiates a browser-based installation of Drupal.

system.install in core/modules/system/system.install

Install, update and uninstall functions for the system module.

File

core/lib/Drupal/Component/Utility/OpCodeCache.php, line 10

Namespace

Drupal\Component\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);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
OpCodeCache::invalidate	public static	function	Invalidates a PHP file from a possibly active opcode cache.
OpCodeCache::isEnabled	public static	function	Checks if OpCodeCache is enabled.