1: <?php
2: /**
3: * Stream filter class to convert binary data into hexadecimal.
4: *
5: * Usage:
6: * stream_filter_register('horde_bin2hex', 'Horde_Stream_Filter_Bin2hex');
7: * stream_filter_[app|pre]pend($stream, 'horde_bin2hex',
8: * [ STREAM_FILTER_[READ|WRITE|ALL] ]);
9: *
10: * Copyright 2011-2012 Horde LLC (http://www.horde.org/)
11: *
12: * See the enclosed file COPYING for license information (LGPL). If you
13: * did not receive this file, see http://www.horde.org/licenses/lgpl21.
14: *
15: * @author Michael Slusarz <slusarz@horde.org>
16: * @category Horde
17: * @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
18: * @package Stream_Filter
19: */
20: class Horde_Stream_Filter_Bin2hex extends php_user_filter
21: {
22: /**
23: * @see stream_filter_register()
24: */
25: public function filter($in, $out, &$consumed, $closing)
26: {
27: while ($bucket = stream_bucket_make_writeable($in)) {
28: $bucket->data = bin2hex($bucket->data);
29: $consumed += $bucket->datalen;
30: stream_bucket_append($out, $bucket);
31: }
32:
33: return PSFS_PASS_ON;
34: }
35:
36: }
37: