TYPO3\CMS\Core\Cache\Backend\TaggableBackendInterface Interface Reference

Inheritance diagram for TYPO3\CMS\Core\Cache\Backend\TaggableBackendInterface:

Public Member Functions
	flushByTag ($tag)
	findIdentifiersByTag ($tag)
Public Member Functions inherited from TYPO3\CMS\Core\Cache\Backend\BackendInterface
	setCache (\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache)
	set ($entryIdentifier, $data, array $tags=[], $lifetime=null)
	get ($entryIdentifier)
	has ($entryIdentifier)
	remove ($entryIdentifier)
	flush ()
	collectGarbage ()

Detailed Description

A contract for a cache backend which supports tagging.

Definition at line 18 of file TaggableBackendInterface.php.

Member Function Documentation

findIdentifiersByTag()

TYPO3\CMS\Core\Cache\Backend\TaggableBackendInterface::findIdentifiersByTag

(

$tag

)

Finds and returns all cache entry identifiers which are tagged by the specified tag

Parameters

string

$tag

The tag to search for

Returns

array An array with identifiers of all matching entries. An empty array if no entries matched

Implemented in TYPO3\CMS\Core\Cache\Backend\RedisBackend, TYPO3\CMS\Core\Cache\Backend\MemcachedBackend, TYPO3\CMS\Core\Cache\Backend\FileBackend, TYPO3\CMS\Core\Cache\Backend\Typo3DatabaseBackend, TYPO3\CMS\Core\Cache\Backend\PdoBackend, TYPO3\CMS\Core\Cache\Backend\ApcuBackend, TYPO3\CMS\Core\Cache\Backend\ApcBackend, TYPO3\CMS\Core\Cache\Backend\XcacheBackend, TYPO3\CMS\Core\Cache\Backend\WincacheBackend, TYPO3\CMS\Core\Cache\Backend\TransientMemoryBackend, and TYPO3\CMS\Core\Cache\Backend\NullBackend.

flushByTag()

TYPO3\CMS\Core\Cache\Backend\TaggableBackendInterface::flushByTag

(

$tag

)

Removes all cache entries of this cache which are tagged by the specified tag.

Parameters

string

$tag

The tag the entries must have

Returns

void

Implemented in TYPO3\CMS\Core\Cache\Backend\RedisBackend, TYPO3\CMS\Core\Cache\Backend\MemcachedBackend, TYPO3\CMS\Core\Cache\Backend\FileBackend, TYPO3\CMS\Core\Cache\Backend\Typo3DatabaseBackend, TYPO3\CMS\Core\Cache\Backend\ApcuBackend, TYPO3\CMS\Core\Cache\Backend\ApcBackend, TYPO3\CMS\Core\Cache\Backend\XcacheBackend, TYPO3\CMS\Core\Cache\Backend\PdoBackend, TYPO3\CMS\Core\Cache\Backend\WincacheBackend, TYPO3\CMS\Core\Cache\Backend\TransientMemoryBackend, and TYPO3\CMS\Core\Cache\Backend\NullBackend.