객체 탐색을 위한 PHP 객체 지향 코드 공유

<?phpclass A{
    public $p1 = 1;    
    protected $p2 = 2;    
    private $p3 = 3;    
    static $p4 = 4;
}$obj1 = new A();foreach($obj1 as $key => $value){//$key表示对象的属性，$value是其对应的值
    echo "<br />属性$key ：" . $value;   
}?>

属性p1 ：1

<?phpclass A{
    public $p1 = 1;    
    protected $p2 = 2;    
    private $p3 = 3;    
    static $p4 = 4;    //静态属性

    function showAllProperties(){
        foreach($this as $key => $value){            
        echo "<br />属性$key ：$value";  
        }   
    }
}$obj1 = new A();$obj1->showAllProperties();?>

属性p1 ：1
属性p2 ：2
属性p3 ：3