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php

--TEST--
Bug #35916 (Duplicate calls to stream_bucket_append() lead to a crash)
--FILE--
<?php
$file = dirname(__FILE__) . "/bug35916.txt";
@unlink($file);

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, $bucket);
			stream_bucket_append($out, $bucket);
                }
		return PSFS_PASS_ON;
        }
	function onCreate()
	{
		echo "fffffffffff\n";
	}
	function onClose()
	{
		echo "hello\n";
	}
}

stream_filter_register("strtoupper", "strtoupper_filter");
$fp=fopen($file, "w");
stream_filter_append($fp,  "strtoupper");
fread($fp, 1024);
fwrite($fp, "Thank you\n");
fclose($fp);
readfile($file);
unlink($file);
?>
--EXPECT--
fffffffffff
hello
THANK YOU