PHP Versions are fully supported for 2 years.
After 2 years the version will then be updated for critical security risks only for 1 year
It is then fully un-supported
| PHP Version | Supported Until | Critical Security Updates |
|---|---|---|
| 5.3 Released 01.01.12 | 2014 | NOT SUPPORTED |
| 5.4 Released 01.03.12 | 14.09.14 | Until 14.09.15 |
| 5.5 Released 20.06.13 | 10.06.15 | Until 10.07.16 |
| 5.6 Released 28.08.14 | 28.08.16 | Until 28.08.17 |