Someone on my team added the following setting to check whether an environment variable was true or false:$settings['x_menu_admin_enable'] = strtolower(getenv('X_MENU_ADMIN_ENABLE')) === 'true' ? getenv('X_MENU_ADMIN_ENABLE') : FALSE;
I find that using PHPs filter_var makes this code a bit easier to parse and only calls getenv once:
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Was getting irregular "500 Internal Server Error" pages on a new Drupal 6 install, running on shared hosting.
After some research it appears that the hosting company is running php5 as CGI which does not follow the PHP directives set in Drupal's .htaccess file:
