Actualización

vendor/essence/essence/lib/Essence/Cache/Engine.php

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+<?php
+
+/**
+ *	@author Félix Girault <felix.girault@gmail.com>
+ *	@license FreeBSD License (http://opensource.org/licenses/BSD-2-Clause)
+ */
+
+namespace Essence\Cache;
+
+
+
+/**
+ *	Handles caching.
+ *
+ *	@package Essence.Cache
+ */
+
+interface Engine {
+
+	/**
+	 *	Returns if data exists for the given key.
+	 *
+	 *	@param string $key The key to test.
+	 *	@return boolean Whether there is data for the key or not.
+	 */
+
+	public function has( $key );
+
+
+
+	/**
+	 *	Returns the data for the given key.
+	 *
+	 *	@param string $key The key to search for.
+	 *	@param mixed $default Default value to return if there is no data.
+	 *	@return mixed The data.
+	 */
+
+	public function get( $key, $default = false );
+
+
+
+	/**
+	 *	Sets the data for the given key.
+	 *
+	 *	@param string $key The key for the data.
+	 *	@param mixed $data The data.
+	 *	@return mixed $data The passed data.
+	 */
+
+	public function set( $key, $data );
+
+}