PHP之命名空間 renault espace espace auto espace.net 專利

namespace(命名空間)相當於函數、類，劃分了一個區域，這樣子就使得在同頁中可以require相同的類，使用相同名字的函數
： 在專案中比較少用

<code><span>//name.php</span><span><?php</span><span>//命名要使用复合名称</span><span>namespace</span><span>me</span>\<span>mine</span>;
<span><span>class</span><span>me</span>{</span><span>public</span><span><span>function</span><span>__construct</span><span>()</span>{</span><span>echo</span><span>'name'</span>.<span>'<br>'</span>;
    }
    <span>public</span><span><span>function</span><span>name</span><span>()</span>{</span><span>echo</span><span>'i use space'</span>.<span>'<br>'</span>;
    }
}
<span>//$me = new me();</span><span><span>function</span><span>me</span><span>()</span>{</span><span>echo</span><span>'is me'</span>.<span>'<br>'</span>;
}</code>

<code><span>//common.php</span><span><?php</span><span><span>class</span><span>me</span>{</span><span>public</span><span><span>function</span><span>__construct</span><span>()</span>{</span><span>echo</span><span>'no namespace'</span>.<span>'<br>'</span>;
    }
}</code>

<code><span><span><?php</span><span>//建议使用别名</span><span>use</span><span>me</span>\<span>mine</span><span>as</span><span>i</span>;
<span>require</span><span>'./name.php'</span>;
<span>require</span><span>'./common.php'</span>;

<span>$me</span> = <span>new</span> i\me();
<span>$me</span>->name();
i\me();

<span>$com</span> = <span>new</span> me();</span></span></code>

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以上就介紹了PHP之namespace，包含了espace方面的內容，希望對PHP教學有興趣的朋友有幫助。