- FinalExceptionSubscriber::isErrorDisplayable in core/
lib/ Drupal/ Core/ EventSubscriber/ FinalExceptionSubscriber.php - Wrapper for error_displayable().
- _drupal_exception_handler_additional in core/
includes/ bootstrap.inc - Displays any additional errors caught while handling an exception.
- _drupal_log_error in core/
includes/ errors.inc - Logs a PHP error or exception and displays an error page in fatal cases.
- _drupal_shutdown_function_handle_exception in core/
includes/ bootstrap.inc - Displays and logs any errors that may happen during shutdown.