# stream_filter_remove

(PHP 5 >= 5.1.0)

stream_filter_remove — Remove a filter from a stream

### Description

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.

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($fp, "a test\n");
rewind($fp);
fpassthru($fp);
fclose($fp);
/* Expected Output
---------------
Guvf vf a test
*/
?>`

See also stream_filter_register(), stream_filter_append(), and stream_filter_prepend().