refactoring cache and session classes.

laravel/cache/drivers/apc.php

@@ -7,7 +7,7 @@ class APC extends Driver {
 	 *
 	 * @var string
 	 */
-	private $key;
+	protected $key;
 
 	/**
 	 * Create a new APC cache driver instance.
@@ -45,6 +45,11 @@ class APC extends Driver {
 	/**
 	 * Write an item to the cache for a given number of minutes.
 	 *
+	 * <code>
+	 *		// Put an item in the cache for 15 minutes
+	 *		Cache::put('name', 'Taylor', 15);
+	 * </code>
+	 *
 	 * @param  string  $key
 	 * @param  mixed   $value
 	 * @param  int     $minutes