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PHP Manual :: filter_list



filter_input || filter_var_array || Filter Functions || PHP Manual

(PHP 5 >= 5.2.0, PHP 7)

filter_listReturns a list of all supported filters

Description

array filter_list ( void )

Return Values

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.

Examples

Example #1 A filter_list() example

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

The above example will output something similar to:

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
)



filter_input || filter_var_array || Filter Functions || PHP Manual
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