To quickly view the contents of any of your GridPane sites' wp-config.php file follow the following steps.
Step 1. Go to the Sites Section of the GridPane Control Panel
Click on the sites link in the GridPane main menu to see all your active GridPane WordPress sites.
Step 2. Open the Site Customization Panel for your Active site
In the Active Sites panel, click on the domain in the URL column to open the Site Customization modal for the site whose WordPress configurations you wish to view.
Step 3. Display your chosen site's WordPress Configurations
From the Site Customizer you can display the contents of a site's wp-config.php file by clicking on the Display wp-config icon link.
A popup modal will appear containing the contents of your chosen site's wp-config.php file.