counteract magic quotes if they are enabled (http://www.php.net/manual/en/security.magicquotes.disabling.php#71817)

remove_magic_quotes.php

<?php
// counteract magic quotes if they are enabled (http://www.php.net/manual/en/security.magicquotes.disabling.php#71817)
if (get_magic_quotes_gpc()) {
	function undoMagicQuotes($array, $topLevel=true) {
		$newArray = array();
		foreach($array as $key => $value) {
			if (!$topLevel) {
				$key = stripslashes($key);
			}
			if (is_array($value)) {
				$newArray[$key] = undoMagicQuotes($value, false);
			} else {
				$newArray[$key] = stripslashes($value);
			}
		}
		return $newArray;
	}
	
	$_GET     = undoMagicQuotes($_GET);
	$_POST    = undoMagicQuotes($_POST);
	$_COOKIE  = undoMagicQuotes($_COOKIE);
	$_REQUEST = undoMagicQuotes($_REQUEST);
}