filter_id

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

filter_idReturns 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.

See Also

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User Contributed Notes 1 note

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7
w0n4b3 at gmail dot com
12 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
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