move json method to input class.

laravel/input.php

@@ -3,6 +3,13 @@
 class Input {
 
 	/**
+	 * The JSON payload for applications using Backbone.js or similar.
+	 *
+	 * @var object
+	 */
+	public static $json;
+
+	/**
 	 * The key used to store old input in the session.
 	 *
 	 * @var string
@@ -93,6 +100,18 @@ class Input {
 	}
 
 	/**
+	 * Get the JSON payload for the request.
+	 *
+	 * @return object
+	 */
+	public static function json()
+	{
+		if ( ! is_null(static::$json)) return static::$json;
+
+		return static::$json = json_decode(Request::foundation()->getContent());
+	}
+
+	/**
 	 * Get a subset of the items from the input data.
 	 *
 	 * <code>

laravel/request.php

@@ -10,13 +10,6 @@ class Request {
 	public static $route;
 
 	/**
-	 * The JSON payload for applications using Backbone.js or similar.
-	 *
-	 * @var object
-	 */
-	public static $json;
-
-	/**
 	 * The Symfony HttpFoundation Request instance.
 	 *
 	 * @var HttpFoundation\Request
@@ -80,18 +73,6 @@ class Request {
 	}
 
 	/**
-	 * Get the JSON payload for the request.
-	 *
-	 * @return object
-	 */
-	public static function json()
-	{
-		if ( ! is_null(static::$json)) return static::$json;
-
-		return static::$json = json_decode(static::foundation()->getContent());
-	}
-
-	/**
 	 * Get an item from the $_SERVER array.
 	 *
 	 * @param  string  $key