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PK A6\4z=�� � cache/src/CacheItemInterface.phpnu �[��� <?php namespace Psr\Cache; /** * CacheItemInterface defines an interface for interacting with objects inside a cache. * * Each Item object MUST be associated with a specific key, which can be set * according to the implementing system and is typically passed by the * Cache\CacheItemPoolInterface object. * * The Cache\CacheItemInterface object encapsulates the storage and retrieval of * cache items. Each Cache\CacheItemInterface is generated by a * Cache\CacheItemPoolInterface object, which is responsible for any required * setup as well as associating the object with a unique Key. * Cache\CacheItemInterface objects MUST be able to store and retrieve any type * of PHP value defined in the Data section of the specification. * * Calling Libraries MUST NOT instantiate Item objects themselves. They may only * be requested from a Pool object via the getItem() method. Calling Libraries * SHOULD NOT assume that an Item created by one Implementing Library is * compatible with a Pool from another Implementing Library. */ interface CacheItemInterface { /** * Returns the key for the current cache item. * * The key is loaded by the Implementing Library, but should be available to * the higher level callers when needed. * * @return string * The key string for this cache item. */ public function getKey(); /** * Retrieves the value of the item from the cache associated with this object's key. * * The value returned must be identical to the value originally stored by set(). * * If isHit() returns false, this method MUST return null. Note that null * is a legitimate cached value, so the isHit() method SHOULD be used to * differentiate between "null value was found" and "no value was found." * * @return mixed * The value corresponding to this cache item's key, or null if not found. */ public function get(); /** * Confirms if the cache item lookup resulted in a cache hit. * * Note: This method MUST NOT have a race condition between calling isHit() * and calling get(). * * @return bool * True if the request resulted in a cache hit. False otherwise. */ public function isHit(); /** * Sets the value represented by this cache item. * * The $value argument may be any item that can be serialized by PHP, * although the method of serialization is left up to the Implementing * Library. * * @param mixed $value * The serializable value to be stored. * * @return static * The invoked object. */ public function set($value); /** * Sets the expiration time for this cache item. * * @param \DateTimeInterface|null $expiration * The point in time after which the item MUST be considered expired. * If null is passed explicitly, a default value MAY be used. If none is set, * the value should be stored permanently or for as long as the * implementation allows. * * @return static * The called object. */ public function expiresAt($expiration); /** * Sets the expiration time for this cache item. * * @param int|\DateInterval|null $time * The period of time from the present after which the item MUST be considered * expired. An integer parameter is understood to be the time in seconds until * expiration. If null is passed explicitly, a default value MAY be used. * If none is set, the value should be stored permanently or for as long as the * implementation allows. * * @return static * The called object. */ public function expiresAfter($time); } PK A6\�l�% % $ cache/src/CacheItemPoolInterface.phpnu �[��� <?php namespace Psr\Cache; /** * CacheItemPoolInterface generates CacheItemInterface objects. * * The primary purpose of Cache\CacheItemPoolInterface is to accept a key from * the Calling Library and return the associated Cache\CacheItemInterface object. * It is also the primary point of interaction with the entire cache collection. * All configuration and initialization of the Pool is left up to an * Implementing Library. */ interface CacheItemPoolInterface { /** * Returns a Cache Item representing the specified key. * * This method must always return a CacheItemInterface object, even in case of * a cache miss. It MUST NOT return null. * * @param string $key * The key for which to return the corresponding Cache Item. * * @throws InvalidArgumentException * If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException * MUST be thrown. * * @return CacheItemInterface * The corresponding Cache Item. */ public function getItem($key); /** * Returns a traversable set of cache items. * * @param string[] $keys * An indexed array of keys of items to retrieve. * * @throws InvalidArgumentException * If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException * MUST be thrown. * * @return array|\Traversable * A traversable collection of Cache Items keyed by the cache keys of * each item. A Cache item will be returned for each key, even if that * key is not found. However, if no keys are specified then an empty * traversable MUST be returned instead. */ public function getItems(array $keys = array()); /** * Confirms if the cache contains specified cache item. * * 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. * * @param string $key * The key for which to check existence. * * @throws InvalidArgumentException * If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException * MUST be thrown. * * @return bool * True if item exists in the cache, false otherwise. */ public function hasItem($key); /** * Deletes all items in the pool. * * @return bool * True if the pool was successfully cleared. False if there was an error. */ public function clear(); /** * Removes the item from the pool. * * @param string $key * The key to delete. * * @throws InvalidArgumentException * If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException * MUST be thrown. * * @return bool * True if the item was successfully removed. False if there was an error. */ public function deleteItem($key); /** * Removes multiple items from the pool. * * @param string[] $keys * An array of keys that should be removed from the pool. * @throws InvalidArgumentException * If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException * MUST be thrown. * * @return bool * True if the items were successfully removed. False if there was an error. */ public function deleteItems(array $keys); /** * Persists a cache item immediately. * * @param CacheItemInterface $item * The cache item to save. * * @return bool * True if the item was successfully persisted. False if there was an error. */ public function save(CacheItemInterface $item); /** * Sets a cache item to be persisted later. * * @param CacheItemInterface $item * The cache item to save. * * @return bool * False if the item could not be queued or if a commit was attempted and failed. True otherwise. */ public function saveDeferred(CacheItemInterface $item); /** * Persists any deferred cache items. * * @return bool * True if all not-yet-saved items were successfully saved or there were none. False otherwise. */ public function commit(); } PK A6\�Gb<+ + &