<?php class Car { public $speed = 0; //增加speedUp方法，使speed累加10 function speedUp() { //与c++不同的是类内部访问成员数据必须通过$this指针 $this->speed += 10; } } $car = new Car(); $car->speedUp(); echo $car->speed;
<?php class Car { public $speed = 0; //增加speedUp方法，使speed累加10 function speedUp() { //与c++不同的是类内部访问成员数据必须通过$this指针 $this->speed += 10; } } $car = new Car(); $car->speedUp(); echo $car->speed;
2014-07-12
举报
