stream_filter_remove Remove a filter from a stream


stream_filter_remove

(PHP 5 >= 5.1.0)

stream_filter_removeRemove a filter from a stream

说明

bool stream_filter_remove ( resource $stream_filter )

Removes a stream filter previously added to a stream with stream_filter_prepend() or stream_filter_append(). Any data remaining in the filter's internal buffer will be flushed through to the next filter before removing it.

参数

stream_filter

The stream filter to be removed.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE.

范例

Example #1 Dynamicly refiltering a stream

<?php
/* Open a test file for reading and writing */
$fp fopen("test.txt""rw");

$rot13_filter stream_filter_append($fp"string.rot13"STREAM_FILTER_WRITE);
fwrite($fp"This is ");
stream_filter_remove($rot13_filter);
fwrite($fp"a test ");

rewind($fp);
fpassthru($fp);
fclose($fp);

?>

以上例程会输出:

Guvf vf a test

参见


«  stream_filter_register
» stream_get_contents
快速导航

Copyright © 2016 phpStudy | 皖ICP备18014864号-4