$url = "https://tapproval.smartropay.co.kr/payment/approval/urlCallApproval.do";	// Å×½ºÆ® 
//$url = "https://approval.smartropay.co.kr/payment/approval/urlCallApproval.do";	// ¿î¿µ 
        
$approval_data = array(
	'Tid' => $_REQUEST['Tid'],
	'TrAuthKey' => $_REQUEST['TrAuthKey']
);

// json data
$json = json_encode($approval_data);

$http_status = 0;

// https Åë½Å
$ret = Curl($url, $json, $http_status);

function Curl($url, $post_data, &$http_status, &$header = null) {

    $ch=curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_URL, $url);

    // post_data
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
    curl_setopt($ch, CURLOPT_HEADER, false);

    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));
    curl_setopt($ch, CURLOPT_VERBOSE, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

    $response = curl_exec($ch);

    $body = null;
    // error
    if (!$response) {
        $body = curl_error($ch);
        // HostNotFound, No route to Host, etc  Network related error
        $http_status = -1;
        Log::error("CURL Error: = " . $body);
    } else {
       //parsing http status code
        $http_status = curl_getinfo($ch, CURLINFO_HTTP_CODE);

        if (!is_null($header)) {
            $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);

            $header = substr($response, 0, $header_size);
            $body = substr($response, $header_size);
        } else {
            $body = $response;
        }
    }
    curl_close($ch);
    return $body;
}