Richard Lynch wrote:
On Fri, July 28, 2006 3:55 pm, Tony Di Croce wrote:
In a couple of my scripts, I do something like the following when I
detect
an improperly submitted form:
** if( !valid_string( $_POST['firstname'] ) )
{
$return_url =
"https://www.abc.com/checkout_phase1.php?error=FirstName Required";
header( "location: $return_url" );
exit(0);
}
Recently I changed the code so that a big variable that was being
passed via
GET (IE, as a param in the URL) is instead being POST'd... (typically,
via a
hidden INPUT elem in a form)...
Unfortunatley, this broke my error handling logic... Is it possible to
add
POST variables to a redirect? How?
There are functions "out there" to send POST data from PHP.
The canonical example can be found by Googling for "Rasmus Lerdorf
posttohost"
I have a function I use for doing POST transactions in PHP 4. Note that
the function just returns the text to send, another function does an
fwrite elsewhere. I'm also replacing some of my variables with hardcoded
values here to simplify the example, you can fix that as you will:
function make_post($message)
{
$headers .= "POST /foo.php HTTP/1.1\r\n";
$headers .= "Host: bar.com\r\n";
$headers .= "Content-Type: application/octet-stream\r\n";
$headers .= "Connection: keep-alive\r\n";
$headers .= "Content-Length: " . strlen($message) . "\r\n";
$headers .= "\r\n";
return $headers . $message;
}
As far as I can tell, these are the absolute minimum set of headers you
can get away with for a POST transaction (If you know how to use less,
let me know, I use this in a situation where overhead matters).
Regards, Adam Zey.
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