This returns a 403 Forbidden for any request with a dash at the beginning of the query string.
The GitHub repositories claiming to exploit "PHP 5416" are historical artifacts. Treat them as a reminder to update your software, because while that specific vulnerability is dead, the same techniques (buffer overflows and argument injection) are alive and well in newer CVEs. php 5416 exploit github
Error. Memory limit exceeded. Error. Segfault at 0x0. Error. Connection reset by peer. This returns a 403 Forbidden for any request