+ }
+
+ /**
+ * Output a message and terminate the current script.
+ *
+ * @param string $msg Error message
+ * @param int $exitCode PHP exit status. Should be in range 1-254.
+ * @since 1.31
+ */
+ protected function fatalError( $msg, $exitCode = 1 ) {
+ $this->error( $msg );
+ exit( $exitCode );