- stream_bucket_append: documentation ( source)
- strtoupper: documentation ( source)
- stream_bucket_make_writeable: documentation ( source)
- stream_filter_append: documentation ( source)
- define: documentation ( source)
- fopen: documentation ( source)
<?php
class strtoupper_filter extends php_user_filter {
function filter($in, $out, &$consumed, $closing)
{
while ($bucket = stream_bucket_make_writeable($in)) {
$bucket->data = strtoupper($bucket->data);
$consumed += $bucket->datalen;
stream_bucket_append($out, $bucket);
}
return PSFS_PASS_ON;
}
}
define('FD', fopen('/dev/null','rw'));
stream_filter_append(FD, "strtoupper_filter");