php 类中的延迟绑定

2018-03-23 03:06:30 catherine

<?php
/**
 * this is a test
 */
class A
{
    private function _foo()
    {
        echo "success!<br>";
    }
    public function __construct()
    {
    }
    public function test()
    {
        $this->_foo();
        static::_foo();
    }
}
/**
 * this is B
 */
class B extends A
{
    public function __construct()
    {
    }
}
/**
 * this is c
 */
class C extends A
{
    public function __construct()
    {
    }
    private function _foo()
    {
        echo "can not access!";
    }
}
$b = new B();
$b->test();
$c = new C();
$c->test();

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标签: php

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作者: catherine

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