stream_get_filters

    (PHP 5, PHP 7, PHP 8)

    stream_get_filters — Retrieve list of registered filters

    Descrizione

    stream_get_filters(): array

    Retrieve the list of registered filters on the running system.

    Elenco dei parametri

    Questa funzione non contiene parametri.

    Valori restituiti

    Returns an indexed array containing the name of all stream filters available.

    Esempi

    Example #1 Using stream_get_filters()

    <?php
    $streamlist     = stream_get_filters();
    print_r($streamlist);
    ?>

    Il precedente esempio visualizzerà qualcosa simile a:

    Array (
  [0] => string.rot13
  [1] => string.toupper
  [2] => string.tolower
  [3] => string.base64
  [4] => string.quoted-printable
)

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    User Contributed Notes 1 note

    up
    3
    Jasper Bekkers
    19 years ago
    Filters to be used within the convert filter are base64-encode, base64-decode, quoted-printable-encode and quoted-printable-decode. Note: those are not in the string filter, as currently reported by the manual!

    Example usage is:
    <?php
    $h     = fopen('gecodeerd.txt', 'r');
    stream_filter_append($h, 'convert.base64-decode');
    fpassthru($h);
    fclose($h);
    ?>
    Or
    <?php
    $filter     = 'convert.base64-decode';
    $file = 'coded.txt';
    $h = fopen('php://filter/read=' . $filter . '/resource=' . $file,'r');
    fpassthru($h);
    fclose($h);
    ?>
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