PHP模拟POST请求，获取response内容

    /*
     * 模拟POST请求，获取response内容
     */
    protected function curl($url, $type, $header, $data) {
        $CURL_OPTS = array (
                CURLOPT_CONNECTTIMEOUT => 10,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_SSL_VERIFYPEER => false,
                CURLOPT_TIMEOUT => 60,
                CURLOPT_USERAGENT => 'simulate submit' 
        );
        $opts = $CURL_OPTS;
        $opts [CURLOPT_URL] = $url;
        $opts [CURLOPT_CUSTOMREQUEST] = $type;
        $header [] = 'Expect:';
        $opts [CURLOPT_HTTPHEADER] = $header;
        if ($type == 'POST' || $type == 'PUT') {
            $opts [CURLOPT_POSTFIELDS] = $data;
        }
        
        $ch = curl_init ();
        curl_setopt_array ( $ch, $opts );
        $result = curl_exec ( $ch );
        if (curl_errno ( $ch )) {
            die ( 'CURL error: ' . curl_error ( $ch ) );
        }
        curl_close ( $ch );
        return $result;
    }

参数： 

$header = array (
    'Content_type: application/x-www-form-urlencoded'
  );

$data="param1=qwer&param2=asdf&param3=jkl";