zend framework - Require_Once gives PHP Division By Zero Error

I'm trying to require a config file in index.php by using:

require_once __DIR__/application/common/config/Config.php;

However, PHP error logs state division by zero. The full path is /var/www/application/common/config/Config.php

How do I ensure this path is correctl represented in my require_once statement?

Answer

You need to use quotes for strings in PHP...

require_once __DIR__ . '/application/common/config/Config.php';