> Use it when you have a PHP 5.4+ codebase and just can't upgrade your client's infrastructure.
I personally would just avoid those kinds of clients, PHP 5.4 was released on 1 March 2012 and PHP 5.3 is only supported until 14 August 2014[1].
I personally would just avoid those kinds of clients, PHP 5.4 was released on 1 March 2012 and PHP 5.3 is only supported until 14 August 2014[1].
Source: http://w3techs.com/technologies/details/pl-php/5/all