stream_get_filters
(PHP 5)
stream_get_filters — Retrieve list of registered filters
Description
array stream_get_filters
( void
)
Returns an indexed array containing the name of all stream filters available on the running system.
Пример #1 Using stream_get_filters()
<?php
$streamlist = stream_get_filters();
print_r($streamlist);
?>
Output will be similar to the following. Note: there may be more or fewer filters in your version of PHP.
Array ( [0] => string.rot13 [1] => string.toupper [2] => string.tolower [3] => string.base64 [4] => string.quoted-printable )
See also stream_filter_register(), and stream_get_wrappers().
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Коментарии
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);
?>