PHP 클래스 yii\caching\TagDependency

By calling TagDependency::invalidate, you can invalidate all cached data items that are associated with the specified tag name(s).

부터: 2.0

저자: Qiang Xue ([email protected])

상속: extends yii\caching\Dependency

공개 프로퍼티들

프로퍼티	타입	설명
$tags		a list of tag names for this dependency. For a single tag, you may specify it as a string.

메소드	설명
invalidate ( Cache $cache, string \| array $tags )	Invalidates all of the cached data items that are associated with any of the specified [[tags]].
isChanged ( $cache )

메소드	설명
generateDependencyData ( Cache $cache ) : mixed	Generates the data needed to determine if dependency has been changed.
getTimestamps ( Cache $cache, string[] $tags ) : array	Returns the timestamps for the specified tags.
touchKeys ( Cache $cache, string[] $keys ) : array	Generates the timestamp for the specified cache keys.

This method does nothing in this class.

protected generateDependencyData ( Cache $cache ) : mixed
$cache	Cache	the cache component that is currently evaluating this dependency
리턴	mixed	the data needed to determine if dependency has been changed.

Returns the timestamps for the specified tags.

protected getTimestamps ( Cache $cache, string[] $tags ) : array
$cache	Cache
$tags	string[]
리턴	array	the timestamps indexed by the specified tags.

Invalidates all of the cached data items that are associated with any of the specified [[tags]].

public static invalidate ( Cache $cache, string \| array $tags )
$cache	Cache	the cache component that caches the data items
$tags	string \| array

public isChanged ( $cache )

Generates the timestamp for the specified cache keys.

protected static touchKeys ( Cache $cache, string[] $keys ) : array
$cache	Cache
$keys	string[]
리턴	array	the timestamp indexed by cache keys

a list of tag names for this dependency. For a single tag, you may specify it as a string.

public $tags