filter_id

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

filter_id — Returns the filter ID belonging to a named filter

Description

filter_id(string $name): int|false

Parameters

name: Name of a filter to get.

Return Values

ID of a filter on success or false if filter doesn't exist.

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User Contributed Notes 1 note

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w0n4b3 at gmail dot com ¶

13 years ago

[To get a list of filters and their IDs:]



<?php

$filters = filter_list();

foreach($filters as $filter_name) {

    echo $filter_name .": ".filter_id($filter_name) ."<br>";

}

?>

Will result in:

boolean: 258

float: 259

validate_regexp: 272

validate_url: 273

validate_email: 274

validate_ip: 275

string: 513

stripped: 513

encoded: 514

special_chars: 515

unsafe_raw: 516

email: 517

url: 518

number_int: 519

number_float: 520

magic_quotes: 521

callback: 1024