{ echo $type . " Թռավ " . $this->wingLenght . " մետրանոց թեվերով<br>"; } } class MarinAnimal extends Animal { public $volume; public function swim() { echo $type . " Լողաց"; } } /* $dog = new Animal("Շուն",25); echo "<pre>"; var_dump($dog); echo "</pre>"; $dog->breath(); $dog->eath(); */ $kalibri = new Bird("Կալիբլի", 25); $kalibri->wingLenght = 0.25; $kalibri->breath(); $kalibri->eath(); $kalibri->fly(); $dolpin = new MarinAnimal("Դելֆին", 10); $dolpin->volume = 1000; $dolpin->breath(); $dolpin->eath(); $dolpin->swim();