In some situation you may need to turn off php features for a particular domain. In that situation you can turn off it using the following method.
Just modify the .htaccess file for the specific domain and add the following rule in the file:
php_flag engine off
Also you need to add the following rule in the virtual host entry of the specific domain,
In the httpd configuration file you can see the virtual host entry and there you need to add the following rule:
php_admin_flag engine off
After this restart httpd service:
service httpd restart
Now the php functions should be disabled for the domain.