--TEST--
Bug #44394	Last two bytes missing from output
--FILE--
<?php

$string = "<a href='a?q=1'>asd</a>";

output_add_rewrite_var('a', 'b');

echo $string;

ob_flush();

ob_end_clean();

?>
--EXPECT--
<a href='a?q=1&a=b'>asd</a>