PHP模拟GET和POST提交数据

 /*
     *@param String  $url是请求地址 
     *@param Array $getData 是GET数据
     *@param Array $postData
     */
    public function Http($url, $getData, $postData)
    {
        if (!is_string($url) || (!is_array($getData)) || (!is_array($postData))) {
        	return '';
        }
        //读取url后面参数
        $parse_url = parse_url($url);
        $urldata = $parse_url['query'];
        parse_str($urldata, $get);
        //整合两部分get数据
        $getData = array_merge($getData, $get);
        $param = "?".http_build_query($getData);//注意这里http_build_query已经将参数urlencode处理
        $url_with_get = $url.$param;
        if (function_exists('curl_init')) {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url_with_get);
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            $result = curl_exec($ch);
            curl_close($ch);
            return $result;
        } else {
            $content = http_build_query($postData);
            $content_length = strlen($content);
            $context = array(
                    'http' =>
                    array(
                            'method' => 'POST',
                            'user_agent' => $_SERVER['HTTP_USER_AGENT'],
                            'header' => 'Content-Type: ' . 'text/html' . "\r\n" .
                            'Content-Length: ' . $content_length,
                            'content' => $content
                    )
            );
            $context_id = stream_context_create($context);
            $sock = fopen($url_with_get, 'r', false, $context_id);
            $result = '';
            if ($sock) {
                while (!feof($sock)){
                    $result .= fgets($sock, 4096);
                }
                fclose($sock);
            }
            return $result;
        }
    }

        $url = 'http://192.168.1.180/index/get.php?name=中文&b=host';
        //POST数据
        $post = array('sign' => md5('Joyous'));
        //GET数据
        $get = array('host' => 'blog.phpfs.com','name' => '中文ss');
        echo Http($url, $get, $post);

        var_dump($_GET);
        var_dump($_POST);