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stream_get_filters

(PHP 5, PHP 7, PHP 8)

stream_get_filters获取已注册的数据流过滤器列表

说明

stream_get_filters(): array

获取当前运行系统中已注册的数据流过滤器列表。

参数

此函数没有参数。

返回值

返回一个包含所有有效的数据流过滤器名字的索引数组。

示例

示例 #1 使用 stream_get_filters()

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

以上示例的输出类似于:

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

参见

添加备注

用户贡献的备注 1 note

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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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