Returns the filter ID belonging to a named filter
Syntax
filter_id ( string $filtername ) : int
Parameters
filtername
Name of a filter to get.
Return
ID of a filter on success or FALSE if filter doesn't exist.
Examples
1
<? $filtername = "int"; $return = filter_id($filtername); echo $return; ?>
257
2
<?
$filter_list = filter_list();
foreach ($filter_list as $filtername)
{
$return = filter_id($filtername);
echo "$filtername: $return\n";
}
?>
int: 257 boolean: 258 float: 259 validate_regexp: 272 validate_domain: 277 validate_url: 273 validate_email: 274 validate_ip: 275 validate_mac: 276 string: 513 stripped: 513 encoded: 514 special_chars: 515 full_special_chars: 522 unsafe_raw: 516 email: 517 url: 518 number_int: 519 number_float: 520 add_slashes: 523 callback: 1024
