function filter_request($arg)
{
if (is_string($arg)) {
$str = '';
$arg = stripslashes($arg);
if (is_array($this->request_filter)) {
foreach ($this->request_filter as $reg) {
$arg = regex::replace($reg['pattern'], $reg['replace'], $arg);
}
$str = $arg;
} else {
debug::add('no filter set - use set_request_filter()', 'NOTICE');
$str = $arg;
}
debug::add($arg . ' return ' . $str);
return $str;
} else {
debug::add($arg . ' is not type string', 'ERROR');
}
}
