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.