What are the potential security risks of using PHP 4 for connecting to Twitter API?

Using PHP 4 to connect to the Twitter API poses security risks as PHP 4 is no longer supported and may contain vulnerabilities that could be exploited by attackers. To mitigate this risk, it is recommended to upgrade to a newer version of PHP that is actively supported and regularly patched for security issues.

// Upgrade to a newer version of PHP for connecting to Twitter API