(PHP 5 >= 5.2.0, PHP 7, PHP 8)
filter_list — Returns a list of all supported filters
У цієї функції немає параметрів.
Returns an array of names of all supported filters, empty array if there are no such filters. Indexes of this array are not filter IDs, they can be obtained with filter_id() from a name instead.
Приклад #1 A filter_list() example
<?php
print_r(filter_list());
?>
Поданий вище приклад виведе щось схоже на:
Array ( [0] => int [1] => boolean [2] => float [3] => validate_regexp [4] => validate_url [5] => validate_email [6] => validate_ip [7] => string [8] => stripped [9] => encoded [10] => special_chars [11] => unsafe_raw [12] => email [13] => url [14] => number_int [15] => number_float [16] => magic_quotes [17] => callback )