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    filter_id

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

    filter_id — Returns the filter ID belonging to a named filter

    Descrizione

    filter_id(string $name): int|false

    Elenco dei parametri

    name

    Name of a filter to get.

    Valori restituiti

    ID of a filter on success or false if filter doesn't exist.

    Vedere anche:

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    User Contributed Notes 1 note

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    4
    w0n4b3 at gmail dot com
    13 years ago
    [To get a list of filters and their IDs:]

    <?php
    $filters     = filter_list();
    foreach(    $filters as $filter_name) {
        echo     $filter_name .": ".filter_id($filter_name) ."<br>";
    }
    ?>
    Will result in:
    boolean: 258
    float: 259
    validate_regexp: 272
    validate_url: 273
    validate_email: 274
    validate_ip: 275
    string: 513
    stripped: 513
    encoded: 514
    special_chars: 515
    unsafe_raw: 516
    email: 517
    url: 518
    number_int: 519
    number_float: 520
    magic_quotes: 521
    callback: 1024
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