Basic form of creating objects in PHP

<code><span><span>class</span><span>p_obj</span>{</span><span>public</span><span>$val</span>;
    <span>public</span><span><span>function</span><span>func</span><span>()</span>{</span><span>echo</span><span>"new obj"</span>;
    }
}</code>

<code><span>$obj_one</span> = <span>new</span> p_obj();</code>

<code><span>$obj</span> = <span>"p_obj"</span>;
<span>$obj_two</span> = <span>new</span><span>$obj</span>();</code>

<code><span>$obj_three</span> = <span>new</span><span>self</span>;
<span>//self指代类本身，这行代码只能在类内部使用</span></code>

<code><span>//通过对象创建对象</span><span>$obj_four</span> = <span>new</span><span>$obj_one</span>;</code>

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The above introduces the basic form of creating objects in PHP, including aspects of content. I hope it will be helpful to friends who are interested in PHP tutorials.