When using CentOS 6.x or 7.x on your VPS, or when using our pre-installed images of DirectAdmin, Plesk or cPanel (which also use CentOS), you will have an older version of PHP active by default (with the latest security-updates being backported).
This is because CentOS prefers stability over new features, but some (popular) CMS and themes require a newer version to function. In the list below you can find guides for the most popular operating systems and web control panels: