/**
* Determines whether the caching framework is initialized.
* The caching framework could be disabled for the core but used by an extension.
*
* @return boolean True if caching framework is initialized
*/
public static function isCachingFrameworkInitialized()
{
if (!self::$isCachingFrameworkInitialized && isset($GLOBALS['typo3CacheManager']) && $GLOBALS['typo3CacheManager'] instanceof \TYPO3\CMS\Core\Cache\CacheManager && isset($GLOBALS['typo3CacheFactory']) && $GLOBALS['typo3CacheFactory'] instanceof \TYPO3\CMS\Core\Cache\CacheFactory) {
self::$isCachingFrameworkInitialized = TRUE;
}
return self::$isCachingFrameworkInitialized;
}
/**
* Resets the isCachingFrameworkInitialized state
* Beware! This is not public API and necessary for edge cases in the install tool.
*
* @return void
*/
public static function flagCachingFrameworkForReinitialization()
{
self::$isCachingFrameworkInitialized = FALSE;
GeneralUtility::removeSingletonInstance('TYPO3\\CMS\\Core\\Cache\\CacheManager', self::$cacheManager);
GeneralUtility::removeSingletonInstance('TYPO3\\CMS\\Core\\Cache\\CacheFactory', self::$cacheFactory);
self::$cacheManager = NULL;
self::$cacheFactory = NULL;
}