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Posted by Captain Paralytic on 07/13/07 08:40
On 13 Jul, 03:44, kelvin <kelvin...@yahoo.com.cn> wrote:
> Hi,
>
> A difficult question.
>
> I have a form that I used to submit tohttps://www. paypal.com/cgi-bin/
> webscr
> <form action="https://www. paypal.com/cgi-bin/webscr" method="post">
>
> Now I need to validate some inputs of this form, so I submit it to a
> PHP page in my own server first.
> <form action="paypal_upgrade_checking.php" method="post">
>
> After validate, I need to submit the form again tohttps://www.
> paypal.com/cgi-bin/webscr
> I write a piece of PHP code but it failed. The browse is still in
> paypal_upgrade_checking.php, it doesn't go to the new page.
> I wonder whether there is a way to do it.
>
> <?
> ...
> $buf = '';
>
> $req = '';
>
> foreach ($_POST as $key => $value) {
> $value = urlencode(stripslashes($value));
> $req .= "&$key=$value";
> }
>
> $header="";
> $header .= "POST /cgi-bin/webscr HTTP/1.0\r\n";
> $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
> $header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
> $fp = fsockopen ('www.sandbox.paypal.com', 80, $errno, $errstr, 30);
>
> if (!$fp) {
> // HTTP ERROR
> print "HTTP ERROR<br/>$errno<br/>$errstr";
> exit();
> } else {
> fputs ($fp, $header . $req);
> while(!feof($fp)) {
> $buf.=fgets($fp,1024);
> }
> fclose($fp);
> echo $buf;
> }
> ?>
>
> Thank you
> Kelvin
This code will cause the sver to communicate with paypal, it won't
affect the browser.
You could send the form to the clinet and send an onload() script to
automatically submit it.
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