initial commit of laravel!

system/input.php

@@ -0,0 +1,135 @@
+<?php namespace System;
+
+class Input {
+
+	/**
+	 * The input data for the request.
+	 *
+	 * @var array
+	 */
+	public static $input;
+
+	/**
+	 * Determine if the input data contains an item.
+	 *
+	 * @param  string  $key
+	 * @return bool
+	 */
+	public static function has($key)
+	{
+		return ( ! is_null(static::get($key)));
+	}
+
+	/**
+	 * Determine if the old input data contains an item.
+	 *
+	 * @param  string  $key
+	 * @return bool
+	 */
+	public static function has_old($key)
+	{
+		return ( ! is_null(static::old($key)));
+	}
+
+	/**
+	 * Get an item from the input data.
+	 *
+	 * @param  string  $key
+	 * @param  mixed   $default
+	 * @return string
+	 */
+	public static function get($key = null, $default = null)
+	{
+		// -------------------------------------------------
+		// Hydrate the input data for the request.
+		// -------------------------------------------------
+		static::hydrate();
+
+		return static::from_array(static::$input, $key, $default);
+	}
+
+	/**
+	 * Get input data from the previous request.
+	 *
+	 * @param  string  $key
+	 * @param  mixed   $default
+	 * @return string
+	 */
+	public static function old($key = null, $default = null)
+	{
+		// -------------------------------------------------
+		// Verify that sessions are enabled.
+		// -------------------------------------------------
+		if (Config::get('session.driver') == '')
+		{
+			throw new \Exception("Sessions must be enabled to retrieve old input data.");
+		}
+
+		return static::from_array(Session::get('laravel_old_input', array()), $key, $default);
+	}
+
+	/**
+	 * Get an item from an array.
+	 *
+	 * @param  array   $array
+	 * @param  string  $key
+	 * @param  mixed   $default
+	 * @return string
+	 */
+	private static function from_array($array, $key, $default)
+	{
+		// -------------------------------------------------
+		// If no key is given, return the entire array.
+		// -------------------------------------------------
+		if (is_null($key))
+		{
+			return $array;
+		}
+
+		return (array_key_exists($key, $array)) ? $array[$key] : $default;
+	}
+
+	/**
+	 * Hydrate the input data for the request.
+	 *
+	 * @return void
+	 */
+	public static function hydrate()
+	{
+		if (is_null(static::$input))
+		{
+			switch (Request::method())
+			{
+				case 'GET':
+					static::$input =& $_GET;
+					break;
+
+				case 'POST':
+					static::$input =& $_POST;
+					break;
+
+				case 'PUT':
+				case 'DELETE':
+					// ----------------------------------------------------------------------
+					// Typically, browsers do not support PUT and DELETE methods on HTML
+					// forms. So, we simulate them using a hidden POST variable.
+					//
+					// If the request method is being "spoofed", we'll move the POST array
+					// into the PUT / DELETE array.
+					// ----------------------------------------------------------------------
+					if (isset($_POST['request_method']) and ($_POST['request_method'] == 'PUT' or $_POST['request_method'] == 'DELETE'))
+					{
+						static::$input =& $_POST;
+					}
+					// ----------------------------------------------------------------------
+					// If the request is a true PUT request, read the php://input file.
+					// ----------------------------------------------------------------------
+					else
+					{
+						parse_str(file_get_contents('php://input'), static::$input);
+					}
+			}
+		}
+	}
+
+}