父类$this访问的函数

来源：互联网发布：laradock访问mysql 编辑：程序博客网时间：2024/06/05 00:56

测试类：

<?php
class pa{
    protected function m(){
        echo 'Parent\'s function';
    }
    public function run(){
        $this->m();
    }
}
class child extends pa{
    protected function m(){
        echo 'child\'s function';
    }
}
$obj=new child();
$obj->run();

//echo 'child\'s function';

<?php
class pa{
    private function m(){
        echo 'Parent\'s function';
    }
    public function run(){
        $this->m();
    }
}
class child extends pa{
    private function m(){
        echo 'child\'s function';
    }
}
$obj=new child();
$obj->run();

//echo 'Parent\'s function';

<?php
class pa{
    public function m(){
        echo 'Parent\'s function';
    }
    public function run(){
        $this->m();
    }
}
class child extends pa{
    public function m(){
        echo 'child\'s function';
    }
}
$obj=new child();
$obj->run();

//echo 'child\'s function';

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