denghua
6/13/2018 - 1:10 PM

实例化时父类以及__construct.php

<?php

class A {
    public $a = 1;
    public $c = 4;
    public function __construct() {
        $this->a = 333;
    }

    public function ttt() {
        $this->a = 3332;
    }

}

class B extends A{
    public $a = 3;
    public $b = 2;
    public function __construct() {
        $this->a = 3331;
    }
}

$test = new B;
$test2 = new A;
$test3 = 1;