php_demo/07面向对象/09克隆clone.php

<?php
    /**
     * 克隆实质是在内存中复制多了一个独立的对象数据
    */
    class dog{
        public $color = 'yellow';
        public function show()
        {
            echo "color=".$this->color.'<br>';
        }
    }

    $adog = new dog();
    $anthorDog = clone $adog;
    
    $adog->show();
    $anthorDog->show();
?>