It seems like you code against a specific sub-type and not the parent class GeoJson\GeoJson as the method getCoordinates() does only exist in the following sub-classes of GeoJson\GeoJson: GeoJson\Geometry\Geometry, GeoJson\Geometry\GeometryCollection, GeoJson\Geometry\LineString, GeoJson\Geometry\LinearRing, GeoJson\Geometry\MultiLineString, GeoJson\Geometry\MultiPoint, GeoJson\Geometry\MultiPolygon, GeoJson\Geometry\Point, GeoJson\Geometry\Polygon, Geo\Entity\Geometry\Point. Maybe you want to instanceof check for one of these explicitly?
Let’s take a look at an example:
abstractclassUser{/** @return string */abstractpublicfunctiongetPassword();}classMyUserextendsUser{publicfunctiongetPassword(){// return something}publicfunctiongetDisplayName(){// return some name.}}classAuthSystem{publicfunctionauthenticate(User$user){$this->logger->info(sprintf('Authenticating %s.',$user->getDisplayName()));// do something.}}
In the above example, the authenticate() method works fine as long as you just pass
instances of MyUser. However, if you now also want to pass a different sub-classes
of User which does not have a getDisplayName() method, the code will break.
classAuthSystem{publicfunctionauthenticate(User$user){if($userinstanceofMyUser){$this->logger->info(/** ... */);}// or alternativelyif(!$userinstanceofMyUser){thrownew\LogicException('$user must be an instance of MyUser, '.'other instances are not supported.');}}}
Note: PHP Analyzer uses reverse abstract interpretation to narrow down the types
inside the if block in such a case.
cross-solution /
YAWIK
Loading history...