<?php

class A
{
	public $a = "aa";
	public $b = 10;
	function __clone()
	{
		$this->a = "bb";
		$this->b = 2;
	}
	function __toString()
	{
		return $this->a."{$this->b}";
	}
}
$a= new A();
$b = clone $a;
echo $b; //输出 bb2

<?php

class A
{
	public $a = "aa";
	public $b = 10;
	function __clone()
	{
		$this->a = "bb";
		$this->b = 2;
	}
	function __toString()
	{
		return $this->a."{$this->b}";
	}
	function __call($method,$args)
	{
		echo "调用的方法{$method}()不存在,参数是:";
		print_r($args);;

	}
}
$a= new A();
$a->aa(1,2);