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speed; ? ?} ? ?protected function speedUp() { ? ? ? ?$this->speed += 10; ? ?} ? ?public function start(){ ? ? ? ?$this->speedUp(); ? ?} } $car = new Car(); $car->start(); echo $car->getSpeed();
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speed; ? ?} ? ?protected function speedUp() { ? ? ? ?$this->speed += 10; ? ?} ? ?public function start(){ ? ? ? ?$this->speedUp(); ? ?} } $car = new Car(); $car->start(); echo $car->getSpeed();
2015-05-30
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2015-12-14
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