<?PHP declare(strict_types = 1); /** * Custom exception class for coordinates (longitude, latitude) that are out * of range (-90 - 90 for latitudes, -180 to 180 for longitudes). */ final class MDCoordinateOutOfRange extends MDExpectedException { /** * Error message. * * @return string */ public function errorMessage() { //error message return 'Parameter: <b>' . $this->getMessage() . '</b> is not a valid, numeric values.'; } }