In Apache 2.2 forward all request that point to phisical .php file to PHP-FPM is as follow:
LoadModule fastcgi_module modules/mod_fastcgi.so
FastCGIExternalServer /usr/sbin/php-fpm -socket /usr/local/php/lib/php.sock -idle-timeout 900
AddHandler php-fastcgi .php
Action php-fastcgi /usr/sbin/php-fpm.fcgi
ScriptAlias /usr/sbin/php-fpm.fcgi /usr/sbin/php-fpm
But in Apache 2.4 is different, I'm following the tutorial in Apache Wiki but I don't understand as enable PHP for all virtual host, not each one.
I search in PHP documentation, there is not mention about install on Apache 2.4: