Pool
    
            
            in package
            
        
    
            
            implements
                            CacheItemPoolInterface                    
    
    
Representation of the cache storage, which lets you read items from, and add values to the cache.
Tags
Table of Contents
Interfaces
- CacheItemPoolInterface
- CacheItemPoolInterface generates CacheItemInterface objects.
Constants
- KEY_INVALID_CHARACTERS = '{}()/\@:'
- List of invalid (or reserved) key characters.
Methods
- __construct() : mixed
- clear() : bool
- Deletes all items in the pool.
- commit() : bool
- Persists any deferred cache items.
- deleteItems() : bool
- Removes multiple items from the pool.
- getItem() : CacheItemInterface
- Returns a Cache Item representing the specified key.
- getItems() : array<string|int, Item>
- Returns a traversable set of cache items.
- save() : bool
- Persists a cache item immediately.
- saveDeferred() : bool
- Sets a cache item to be persisted later.
Constants
KEY_INVALID_CHARACTERS
List of invalid (or reserved) key characters.
    public
        string
    KEY_INVALID_CHARACTERS
    = '{}()/\@:'
    
    
    
    
Methods
__construct()
    public
                    __construct(KeyValueStore $store) : mixed
    Parameters
- $store : KeyValueStore
clear()
Deletes all items in the pool.
    public
                    clear() : bool
    Return values
bool —True if the pool was successfully cleared. False if there was an error.
commit()
Persists any deferred cache items.
    public
                    commit() : bool
    Return values
bool —True if all not-yet-saved items were successfully saved or there were none. False otherwise.
deleteItems()
Removes multiple items from the pool.
    public
                    deleteItems(array<string|int, mixed> $keys) : bool
    Parameters
- $keys : array<string|int, mixed>
- 
                    An array of keys that should be removed from the pool. 
Return values
bool —True if the items were successfully removed. False if there was an error.
getItem()
Returns a Cache Item representing the specified key.
    public
                    getItem(mixed $key) : CacheItemInterface
    Parameters
- $key : mixed
- 
                    The key for which to return the corresponding Cache Item. 
Return values
CacheItemInterface —The corresponding Cache Item.
getItems()
Returns a traversable set of cache items.
    public
                    getItems([array<string|int, mixed> $keys = array() ]) : array<string|int, Item>
    Parameters
- $keys : array<string|int, mixed> = array()
- 
                    An indexed array of keys of items to retrieve. 
Return values
array<string|int, Item>save()
Persists a cache item immediately.
    public
                    save(CacheItemInterface $item) : bool
    Parameters
- $item : CacheItemInterface
- 
                    The cache item to save. 
Return values
bool —True if the item was successfully persisted. False if there was an error.
saveDeferred()
Sets a cache item to be persisted later.
    public
                    saveDeferred(CacheItemInterface $item) : bool
    Parameters
- $item : CacheItemInterface
- 
                    The cache item to save. 
Return values
bool —False if the item could not be queued or if a commit was attempted and failed. True otherwise.