add a variable from a url into code for posting purposes

[inosent1]

after i process a query on a page i redirect back to the originating page, where i place the all important file_id place on the tail end of the url

now, when i arrive back at the originating page instead of 'test.com/page.php' like it was when i first landed on it, now it says:

test.com/page.php?file_id=120

what i want to do is somehow grab that '120' and post it, ie:

$fid = [everything on the right of the = of the url];

tia

[inosent1]

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function curPageURL() {
 $pageURL = 'http';
 if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
 $pageURL .= "://";
 if ($_SERVER["SERVER_PORT"] != "80") {
  $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];

 } else {
  $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];

 }
 return $pageURL;

}
$test = explode("=",curPageURL());
$t1 = $test[1];

$term2 = $_POST['term2'];
//$term = $_POST['term'];
if ($term2 !="") {
$term2 = $_POST['term2'];

} else {
$term2 = $t1;
}
 

for posterity

[requinix]

Seriously?

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$t1 = $_GET["file_id"];

[inosent1]

well, at least it was a nice little seminar on curl

[califdon]

well, at least it was a nice little seminar on curl

No, that has nothing to do with curl. It's just basic PHP.
http://www.w3schools.com/php/php_get.asp