Modules in standard PHP build installed is generally sufficient for most of the web development work, as the complexity of the application grows, more functions may be needed in the scripting process and certain libraries may not be included in the default php build but requires a custom build to include the libraries that offers the functions in the PHP code.
To check what modules is currently installed in the servers PHP build :-
<title>php build </title>
<? phpinfo(); ?>
If there is a needed module that is missing in the php build, you can send a request to helpdesk.dotservant.com with the details and we will have it checked and installed for you.