Пример #1
0
<?php

// 继承拥有比组合更少的代码量
class car
{
    public function addoil()
    {
        echo "Add oil\r\n";
    }
}
class bmw extends car
{
}
class benz
{
    public $car;
    public function __construct()
    {
        $this->car = new car();
    }
    public function addoil()
    {
        $this->car->addoil();
    }
}
$bmw = new bmw();
$bmw->addoil();
echo '<br>';
$benz = new benz();
$benz->addoil();
Пример #2
0
        echo 'VROOOOOOOOMMMMM';
    }
}
class chanceOfRain
{
    public $chance;
    function __construct()
    {
        $this->chance = rand(0, 10);
        // echo $this->chance;
    }
    function checkForRain()
    {
        if ($this->chance > 5) {
            return true;
        } else {
            return false;
        }
    }
}
$myCar = new car();
$myCar->accelerate();
$myCar->letsOpenTheTop();
$myNewCar = new bmw();
$myNewCar->accelerate();
// $myNewCar->letsOpenTheTop();
$rain = new chanceOfRain();
if ($rain) {
    echo "<p>It's raining!</p>";
    $myCar->letsCloseTheTop();
}