php模擬post

#post方法

function http_post_data($url, $data_string) {

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: application/json; charset=utf-8',
                'Content-Length: ' . strlen($data_string))
        );
        ob_start();
        curl_exec($ch);
        $return_content = ob_get_contents();
        ob_end_clean();

        $return_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        return array($return_code, $return_content);
    }

#調用

$data = array(
                "name"=>'hello'
                "age"=>0
        );

        $data = json_encode($data);
        $res = $this->http_post_data('http://www.abc.com', $data);