property_exists Checks if the object or class has a property &reftitle.description; boolproperty_exists objectstringobject_or_class stringproperty This function checks if the given property exists in the specified class. As opposed with isset, property_exists returns &true; even if the property has the value &null;. &reftitle.parameters; object_or_class The class name or an object of the class to test for property The name of the property &reftitle.returnvalues; Returns &true; if the property exists, &false; if it doesn't exist or &null; in case of an error. &reftitle.examples; ]]> &reftitle.notes; ¬e.uses-autoload; The property_exists function cannot detect properties that are magically accessible using the __get magic method. &reftitle.seealso; method_exists