Posted By

romanos on 05/29/08

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Last Edited at 05/29/08 05:43pm

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Sanitise $_SERVER globals

/ Published in: PHP

This code from pfp fusion engine.

Put it above your code in the php-script.

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// Clean URL Function, prevents entities in server globals
function cleanurl($url) {
	$bad_entities = array("&", "\"", "'", '\"', "\'", "<", ">", "(", ")", "*");
	$safe_entities = array("&amp;", "", "", "", "", "", "", "", "", "");
	$url = str_replace($bad_entities, $safe_entities, $url);
	return $url;
}
 
// Sanitise $_SERVER globals
$_SERVER['PHP_SELF'] = cleanurl($_SERVER['PHP_SELF']);
$_SERVER['QUERY_STRING'] = isset($_SERVER['QUERY_STRING']) ? cleanurl($_SERVER['QUERY_STRING']) : "";
$_SERVER['REQUEST_URI'] = isset($_SERVER['REQUEST_URI']) ? cleanurl($_SERVER['REQUEST_URI']) : "";
$PHP_SELF = cleanurl($_SERVER['PHP_SELF']);

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