filter_list

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

    filter_list — サポートされるフィルタの一覧を返す

    説明

    filter_list(): array

    パラメータ

    この関数にはパラメータはありません。

    戻り値

    サポートされる全フィルタの名前の配列を返します。 フィルタが存在しない場合は空の配列を返します。 この配列のインデックスはフィルタの ID ではありません。 ID を取得するには filter_id() にフィルタ名を渡します。

    例

    例1 filter_list() の例

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

    上の例の出力は、 たとえば以下のようになります。

    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
)

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    User Contributed Notes 3 notes

    up
    5
    El diablo
    7 years ago
    Get filter_list() with filter_id() as key.<?phpprint_r(array_flip(array_map('filter_id', array_combine(filter_list(), filter_list()))));?>Array(    [257] => int    [258] => boolean    [259] => float    [272] => validate_regexp    [277] => validate_domain    [273] => validate_url    [274] => validate_email    [275] => validate_ip    [276] => validate_mac    [513] => stripped    [514] => encoded    [515] => special_chars    [522] => full_special_chars    [516] => unsafe_raw    [517] => email    [518] => url    [519] => number_int    [520] => number_float    [521] => magic_quotes    [1024] => callback)
    up
    1
    shaman_master at list dot ru
    5 years ago
    2 strings, but it's faster (-2 calls) and not the longest<?php$filters = filter_list();$filters =  array_combine($filters, array_map('filter_id',  $filters));?>also I use id's as values: $filters[$filter] - get filter id by name
    up
    1
    vb dot jyoti at gmail dot com
    16 years ago
    <?phpecho "<pre>";print_r(filter_list());echo "</pre>";foreach (filter_list() as $key => $value){echo "<br>".$key."=".$value.'='.filter_id($value);}?>0=int=2571=boolean=2582=float=2593=validate_regexp=2724=validate_url=2735=validate_email=2746=validate_ip=2757=string=5138=stripped=5139=encoded=51410=special_chars=51511=unsafe_raw=51612=email=51713=url=51814=number_int=51915=number_float=52016=magic_quotes=52117=callback=1024
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