问为什么当我发布一些值时，curl不能工作？

EN

//set up a connection variable for the page you will post data to
$curl_connection = curl_init('https://payment.teqwerty.com/NetBanking/Pay.jsp?');
 
//curl basic setup
curl_setopt($curl_connection, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($curl_connection, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)");
curl_setopt($curl_connection, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl_connection, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl_connection, CURLOPT_FOLLOWLOCATION, 1);
 
//$_POST variables to pass
$post_items[] = 'MerchantId='.strip_tags($merchantId);
$post_items[] = 'Password='.strip_tags($Password);
$post_items[] = 'RemoteIP='.strip_tags($RemoteIP);
$post_items[] = 'Amount='.strip_tags($Amount);
$post_items[] = 'BankId='.strip_tags($BankId);
$post_items[] = 'Checksum='.strip_tags($checksum);
$post_items[] = 'Name='.strip_tags($Name);
$post_items[] = 'mobileNo='.strip_tags($mobileNo);
$post_items[] = 'Email='.strip_tags($Email);

 
//format the $post_items into a string
$post_string = implode ('&', $post_items);
 
//send the $_POST data to the new page
curl_setopt($curl_connection, CURLOPT_POSTFIELDS, $post_string);
$result = curl_exec($curl_connection);
curl_close($curl_connection);

$parameters='MerchantId='.$merchantId.'&Password='.$Password.'&ReferenceNo='.$ReferenceNo.'&RemoteIP='.$RemoteIP.'&Amount='.$Amount.'&BankId='.$BankId.'&Checksum='.$checksum.'&Name='.$Name.'&MobileNo='.$MobileNo.'&Email='.$Email;
    //echo "para is <br>".$parameters;
    //set POST variables
    $url = 'https://payment.teqwerty.com/NetBanking/Pay.jsp?'.$parameters; 
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
    $auth = curl_exec($curl);