Here is part one of better testing and debugging.

Reserved variables are often structured as arrays. I saw a recent note on the PHP documentation site that made me cringe:
http://us2.php.net/manual/en/reserved.variables.server.php#91080

This is a very painstaking approach for viewing all that information.

I didn’t count how many lines there were in that, but…

There is a simple way to do the same thing:


foreach($_SERVER as $k => $v){
echo "<strong>".$k."</strong> = <em>".$v."</em><br />";
}

Why not test all reserved variables at once?!

<?php
$reserved=array(
  "GET"=>$_GET,
  "POST"=>$_POST,
  "SERVER"=>$_SERVER,
  "SESSION"=>$_SESSION,
  "COOKIE"=>$_COOKIE
);
foreach($reserved as $a => $r){
  echo "<h2>\$_".$a."</h2><p>";
  foreach($r as $k => $v){
    echo "\$_".$a."[<strong>".$k."</strong>]"
           ."= <em>".$v."</em><br />";
  }
  echo "</p>";
}
?>