Core class used as the default shutdown handler for fatal errors.

Detects the error causing the crash if it should be handled.

Displays the default PHP error template.

Displays the PHP error template and sends the HTTP status code, typically 500.

Runs the shutdown handler.

Determines whether we are dealing with an error that WordPress should handle in order to protect the admin backend against WSODs.

Filters the arguments passed to {@see wp_die()} for the default PHP error template.

Filters the message that the default PHP error template displays.

Filters whether a given thrown error should be handled by the fatal error handler.