public static function message( $messageKey ) {
		$message = (string) getenv( $messageKey );

		return self::filterMessage( $messageKey, $message );
	}
public static function message( $messageKey ) {
		$message = (string) getenv( $messageKey );

		return self::filterMessage( $messageKey, $message );
	}
public static function message ( $ messageKey ) { $ message = ( string ) getenv ( $ messageKey ) ; return self :: filterMessage ( $ messageKey , $ message ) ; }
Retrieves the message from the host if set.

@param string $messageKey The key to use as the environment variable.

@return string The message as set by the host.
Retrieves the message from the host if set .