Subset of PSR-16 Cache client for caching data arrays. More...

Public Member Functions
	delete_data (string $key)
	Delete an item from the cache by its unique key.

	get_data (string $key, $default=null)
	Fetches a value from the cache.

	set_data (string $key, array $value, ?int $ttl=null)
	Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time.

Detailed Description

Subset of PSR-16 Cache client for caching data arrays.

Only get(), set() and delete() methods are used, but not has(), getMultiple(), setMultiple() or deleteMultiple().

The methods names must be different, but should be compatible to the methods of Psr\SimpleCache\CacheInterface.

@subpackage Caching

Member Function Documentation

DataCache::delete_data ( string $key )

Delete an item from the cache by its unique key.

Equivalent to Psr\SimpleCache\CacheInterface\delete() public function delete(string $key): bool;

Parameters

string $key The unique cache key of the item to delete.

Return values

bool	True if the item was successfully removed. False if there was an error.

Exceptions

InvalidArgumentException MUST be thrown if the $key string is not a legal value.

DataCache::get_data	(	string	$key,
			$default = null )

Fetches a value from the cache.

Equivalent to Psr\SimpleCache\CacheInterface\get() public function get(string $key, mixed $default = null): mixed;

Parameters

string	$key	The unique key of this item in the cache.
mixed	$default	Default value to return if the key does not exist.

Return values

array|mixed The value of the item from the cache, or $default in case of cache miss.

Exceptions

InvalidArgumentException MUST be thrown if the $key string is not a legal value.

Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time.

Equivalent to Psr\SimpleCache\CacheInterface\set() public function set(string $key, mixed $value, null|int|DateInterval $ttl = null): bool;

Parameters

string	$key	The key of the item to store.
array	$value	The value of the item to store, must be serializable.
null \| int	$ttl	Optional. The TTL value of this item. If no value is sent and the driver supports TTL then the library may set a default value for it or let the driver take care of that.

Return values

bool	True on success and false on failure.

Exceptions

InvalidArgumentException MUST be thrown if the $key string is not a legal value.

The documentation for this interface was generated from the following file: