filter_list
PHP function
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(PHP 5 >= 5.2.0, PHP 7, PHP 8)
Returns a list of all supported filters
Description
filter_list(): array
Parameters Parameters
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
A filter_list() example
php
<?php
print_r(filter_list());
?>The above example will output something similar to:
output
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
)