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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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