Esempio n. 1
0
<?php

class Base
{
    public $name;
    // 构造函数
    public function Base($n)
    {
        $this->name = $n;
    }
    // function
    public function sayHello()
    {
        echo 'Hi nice to meet you ' . $this->name;
    }
}
class Child extends Base
{
    public function sayHello()
    {
        echo 'Hi,this is my son say hello to you ';
    }
}
$p = new Base('Allen');
$p->sayHello();
$c = new Child();
$c->sayHello();