Retrieving Hyperlink parameter values in PHP

I have a PHP program that creates a page with several links all to the
same URL but with different parameter values in the hyperlink e.g. <a
href=?FILENAME.php?VARIABLE=123?>Click Here</a>.  How do I retrieve
the value of VARIABLE (=123) in file FILENAME.php?

chvol@aol.com

Hi
you can retrieve the value of VARIABLE 2 ways:
<? //Contents of FILENAME.php
//Use $HTTP_GET_VARS For older versions of PHP
$varval = $HTTP_GET_VARS['VARIABLE'];
echo "VARIABLE is Equal to $varval";
?>

<? //Contents of FILENAME.php
$varval = $VARIABLE;
echo "VARIABLE is Equal to $varval";
?>

Please let me know if that helps you.

Analyze this:

<?php
echo "<pre>";
	echo "<br>\n";
		print_r($PHP_SELF);
	echo "<br>\n";
		print_r($_SERVER["SCRIPT_NAME"]);
	echo "<br>\n";
		print_r(substr($_SERVER["PHP_SELF"], 1));
	echo "<br>\n";
echo "</pre>";
?>

Sorry, I missunderstood your question, here's the proper suggestion,
hope this would help you to unerstand what's about:

If in the php.ini (php's config file) the "register globals" is turned
on (which is hazardous and could be exploited by hackers) all
variables you give in the url or send through <form> are automatically
converted to global variables and avaliable everywhere in the script
simply by using their variablename ($variable).

So it is highly suggested that you turn off the "register globals" and
use special arrays that are created whenever you define a variable in
the url ($_GET["variablename"]) or <form> ($_POST["variablename"]
section.

To see how it works simply try to put somewhere in your script:

print_r($_GET);
try also
print_r($HTTP_GET_VARS);
and
print_r($_POST);
try also
print_r($HTTP_POST_VARS);


print_r -- Prints human-readable information about a variable