cPanel provides the most recent stable versions of PHP. If you require legacy versions of PHP, such as PHP 4.4, 5.1, 5.2, and 5.3, CloudLinux provides hardened and secured PHP versions that are patched against all known vulnerabilities. To learn more about CloudLinux Advanced PHP Features, please read Hardened PHP versions on CloudLinux. Upgrade to CloudLinux
Contact your provider for more information on upgrading to CloudLinux.