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view core/lib/Drupal/Core/State/StateInterface.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
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<?php namespace Drupal\Core\State; /** * Defines the interface for the state system. * * @ingroup state_api */ interface StateInterface { /** * Returns the stored value for a given key. * * @param string $key * The key of the data to retrieve. * @param mixed $default * The default value to use if the key is not found. * * @return mixed * The stored value, or NULL if no value exists. */ public function get($key, $default = NULL); /** * Returns the stored key/value pairs for a given set of keys. * * @param array $keys * A list of keys to retrieve. * * @return array * An associative array of items successfully returned, indexed by key. */ public function getMultiple(array $keys); /** * Saves a value for a given key. * * @param string $key * The key of the data to store. * @param mixed $value * The data to store. */ public function set($key, $value); /** * Saves key/value pairs. * * @param array $data * An associative array of key/value pairs. */ public function setMultiple(array $data); /** * Deletes an item. * * @param string $key * The item name to delete. */ public function delete($key); /** * Deletes multiple items. * * @param array $keys * A list of item names to delete. */ public function deleteMultiple(array $keys); /** * Resets the static cache. * * This is mainly used in testing environments. */ public function resetCache(); }