Habari\XMLRPCStruct::__isset PHP Метод

Magic isset for XMLRPCStruct, returns whether a property value is set.

public __isset ( string $name ) : boolean
$name	string	The name of the parameter
Результат	boolean	True if the value is set, false if not

    public function __isset($name)
    {
        return isset($this->fields[$name]);
    }

XMLRPCStruct