TYPO3\CMS\Core\Cache\Frontend\StringFrontend Class Reference

Inheritance diagram for TYPO3\CMS\Core\Cache\Frontend\StringFrontend:

Public Member Functions
	set ($entryIdentifier, $string, array $tags=[], $lifetime=null)
	get ($entryIdentifier)
	getByTag ($tag)
Public Member Functions inherited from TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend
	__construct ($identifier, BackendInterface $backend)
	getIdentifier ()
	getBackend ()
	has ($entryIdentifier)
	remove ($entryIdentifier)
	flush ()
	flushByTag ($tag)
	collectGarbage ()
	isValidEntryIdentifier ($identifier)
	isValidTag ($tag)

Additional Inherited Members
Public Attributes inherited from TYPO3\CMS\Core\Cache\Frontend\FrontendInterface
const	TAG_CLASS = '%CLASS%'
const	TAG_PACKAGE = '%PACKAGE%'
const	PATTERN_ENTRYIDENTIFIER = '/^[a-zA-Z0-9_%\\-&]{1,250}$/'
const	PATTERN_TAG = '/^[a-zA-Z0-9_%\\-&]{1,250}$/'
Protected Attributes inherited from TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend
	$identifier
	$backend

Detailed Description

A cache frontend for strings. Nothing else.

This file is a backport from FLOW3

Definition at line 25 of file StringFrontend.php.

Member Function Documentation

get()

TYPO3\CMS\Core\Cache\Frontend\StringFrontend::get

(

$entryIdentifier

)

Finds and returns a variable value from the cache.

Parameters

string

$entryIdentifier

Identifier of the cache entry to fetch

Returns

string The value

Exceptions

Implements TYPO3\CMS\Core\Cache\Frontend\FrontendInterface.

Definition at line 63 of file StringFrontend.php.

References TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend\isValidEntryIdentifier().

getByTag()

TYPO3\CMS\Core\Cache\Frontend\StringFrontend::getByTag

(

$tag

)

Finds and returns all cache entries which are tagged by the specified tag.

Parameters

string

$tag

The tag to search for

Returns

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

Exceptions

Implements TYPO3\CMS\Core\Cache\Frontend\FrontendInterface.

Definition at line 79 of file StringFrontend.php.

References TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend\$identifier, and TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend\isValidTag().

set()

TYPO3\CMS\Core\Cache\Frontend\StringFrontend::set	(		$entryIdentifier,
			$string,
		array	$tags = [],
			$lifetime = null
	)

Saves the value of a PHP variable in the cache.

Parameters

string	$entryIdentifier	An identifier used for this cache entry
string	$string	The variable to cache
array	$tags	Tags to associate with this cache entry
int	$lifetime	Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.

Returns

void

Exceptions

Implements TYPO3\CMS\Core\Cache\Frontend\FrontendInterface.

Definition at line 39 of file StringFrontend.php.

References TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend\isValidEntryIdentifier(), and TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend\isValidTag().