more refactoring for dependency injection.

laravel/controller.php

@@ -26,6 +26,19 @@ abstract class Controller {
 
 	/**
 	 * Dynamically resolve items from the application IoC container.
+	 *
+	 * First, "laravel." will be prefixed to the requested item to see if there is
+	 * a matching Laravel core class in the IoC container. If there is not, we will
+	 * check for the item in the container using the name as-is.
+	 *
+	 * <code>
+	 *		// Resolve the "laravel.input" instance from the IoC container
+	 *		$input = $this->input;
+	 *
+	 *		// Resolve the "mailer" instance from the IoC container
+	 *		$mongo = $this->mailer;
+	 * </code>
+	 *
 	 */
 	public function __get($key)
 	{