xiaoben-as2-php/lib/core/Req.php

<?php 

class Req{
	public static function filt($data, $type = "STRING", $len = -1){
		return Filter::act($data, $type, $len);
	}

	public static function get($field, $type = "STRING", $len = -1){
		if(isset($_GET[$field]))
			return self::filt($_GET[$field], $type, $len);
		return null;
	}

	public static function post($field, $type = "HTML_ESCAPED", $len = -1){
		if(isset($_POST[$field]))
			return self::filt($_POST[$field], $type, $len);
		return null;
	}
    public static function input(){
        if (file_get_contents('php://input')) {
            return self::filt(json_decode(file_get_contents('php://input'), true));
        }
        return null;
    }

}