PHP 5.3
AddHandler application/x-httpd-php53 .php
PHP 5.4
AddHandler application/x-httpd-php54 .php
PHP 5.5
AddHandler application/x-httpd-php55 .php
PHP 5.6
AddHandler application/x-httpd-php56 .php
PHP 5.3
AddHandler application/x-httpd-php53 .php
PHP 5.4
AddHandler application/x-httpd-php54 .php
PHP 5.5
AddHandler application/x-httpd-php55 .php
PHP 5.6
AddHandler application/x-httpd-php56 .php