__get and property

sample.php

<?php

class sample
{
    public function __get($p)
    {
        $list=["name"=>"magic"];
        return $list[$p];
    }
}

class sampleA extends sample
{
   
}

class sampleB extends sample
{
    public $name="property";
}

$a =new sampleA;
var_dump($a->name) ;//magic

$b =new sampleB;
var_dump($b->name) ;//property