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Code: Alles auswählen

if (ini_get('register_globals') == '1' || strtolower(ini_get('register_globals')) == 'on')
{
	$vars = array('_REQUEST', '_SERVER', '_ENV');
	foreach ($vars as $var)
	{
		foreach ($$var as $name => $value)
		{
			if (isset($$name) && $$name === $value)
			{
				unset($$name);
			}
		}
	}
	unset($vars, $var, $name, $value);
}

Code: Alles auswählen

<?php
// Emulate register_globals off
function unregister_GLOBALS()
{
    if (!ini_get('register_globals')) {
        return;
    }

    // Might want to change this perhaps to a nicer error
    if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS'])) {
        die('GLOBALS overwrite attempt detected');
    }

    // Variables that shouldn't be unset
    $noUnset = array('GLOBALS',  '_GET',
                     '_POST',    '_COOKIE',
                     '_REQUEST', '_SERVER',
                     '_ENV',     '_FILES');

    $input = array_merge($_GET,    $_POST,
                         $_COOKIE, $_SERVER,
                         $_ENV,    $_FILES,
                         isset($_SESSION) && is_array($_SESSION) ? $_SESSION : array());
    
    foreach ($input as $k => $v) {
        if (!in_array($k, $noUnset) && isset($GLOBALS[$k])) {
            unset($GLOBALS[$k]);
        }
    }
}

unregister_GLOBALS();

?>