Documentation

AdapterInterface extends CacheItemPoolInterface

Interface for adapters managing instances of Symfony's CacheItem.

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author

Kévin Dunglas dunglas@gmail.com

Table of Contents

clear()  : bool
Deletes all items in the pool.
commit()  : bool
Persists any deferred cache items.
deleteItem()  : bool
Removes the item from the pool.
deleteItems()  : bool
Removes multiple items from the pool.
getItem()  : CacheItem
Returns a Cache Item representing the specified key.
getItems()  : Traversable<string, CacheItem>
Returns a traversable set of cache items.
hasItem()  : bool
Confirms if the cache contains specified cache item.
save()  : bool
Persists a cache item immediately.
saveDeferred()  : bool
Sets a cache item to be persisted later.

Methods

clear()

Deletes all items in the pool.

public clear([string $prefix = '' ]) : bool
Parameters
$prefix : string = ''
Return values
bool

deleteItem()

Removes the item from the pool.

public deleteItem(string $key) : bool
Parameters
$key : string
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throws
InvalidArgumentException

If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException MUST be thrown.

Return values
bool

deleteItems()

Removes multiple items from the pool.

public deleteItems(array<string|int, string> $keys) : bool
Parameters
$keys : array<string|int, string>
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throws
InvalidArgumentException

If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException MUST be thrown.

Return values
bool

getItems()

Returns a traversable set of cache items.

public getItems([array<string|int, mixed> $keys = [] ]) : Traversable<string, CacheItem>
Parameters
$keys : array<string|int, mixed> = []
Return values
Traversable<string, CacheItem>

hasItem()

Confirms if the cache contains specified cache item.

public hasItem(string $key) : bool

Note: This method MAY avoid retrieving the cached value for performance reasons. This could result in a race condition with CacheItemInterface::get(). To avoid such situation use CacheItemInterface::isHit() instead.

Parameters
$key : string
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throws
InvalidArgumentException

If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException MUST be thrown.

Return values
bool

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