filter_list

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

filter_listReturns a list of all supported filters

Descrizione

filter_list(): array

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

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.

Esempi

Example #1 A filter_list() example

<?php
print_r
(filter_list());
?>

Il precedente esempio visualizzerà qualcosa simile a:

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
)