php设计模式 原型模式，设计模式原型

<span>$prototype</span> = <span>new</span><span> Baobab\Canvas();
</span><span>$prototype</span>-><span>init();

</span><span>$canvas1</span> = <span>clone</span> <span>$prototype</span><span>;
</span><span>$canvas1</span>->rect(3,6,4,12<span>);
</span><span>$canvas1</span>-><span>draw();
</span><span>$canvas2</span> = <span>clone</span> <span>$prototype</span><span>;
</span><span>$canvas2</span>->rect(3,6,4,12<span>);
</span><span>$canvas2</span>->draw();