<Directory /var/www/siteName/public_html>
    Options FollowSymLinks MultiViews
    AllowOverride All
    Require all granted

    <IfModule mod_proxy_fcgi.c>
        # Run php-fpm via proxy_fcgi
        <FilesMatch ".+\.ph(p[3457]?|t|tml)$">
            # Or however you have it now
            SetHandler "proxy:unix:/var/run/php-fpm_siteName.sock|fcgi://localhost"
        </FilesMatch>
    </IfModule>
</Directory>