You can find various resources and technical breakdowns for this and related vulnerabilities on GitHub:
Searching for "PHP 5.4.16 exploit" on GitHub typically yields: Metasploit Modules: php 5416 exploit github
The PHP 5.4.16 exploit was a significant vulnerability that could have allowed attackers to execute arbitrary code on servers running vulnerable versions of PHP. The exploit code published on GitHub demonstrated the ease with which attackers could exploit this vulnerability. Server administrators were advised to take immediate action to mitigate the vulnerability and protect their systems. You can find various resources and technical breakdowns
If you’re looking to create a technical post (e.g., for a GitHub repository or a blog) regarding this or similar PHP vulnerabilities, here is a structured template you can use: php 5416 exploit github