Start the WordPress object cache.

Start scraping edited file errors.

Toggle $_wp_using_ext_object_cache on and off without directly touching global.

Determines whether the current request should use themes.

Filters whether to enable loading of the object-cache.php drop-in.

Filters whether to enable maintenance mode.

Filters whether to allow the debug mode check to occur.

Filters whether file modifications are allowed.

Filters whether the current request is against a protected endpoint.

Fires when is_wp_error() is called and its parameter is an instance of WP_Error.