Bootstrap file for setting the `ABSPATH` constant and loading the `wp-config.php` file. The `wp-config.php` file will then load the `wp-settings.php` file, which will then set up the WordPress environment.
Note: If the
wp-config.php file is not found then an error will be displayed asking the visitor to set up the wp-config.php file. Will also search for
wp-config.php in WordPress' parent directory to allow the WordPress directory to remain untouched.