spl_autoload_unregister 会影响性能吗？和 spl_autoload_register 对比分析

<span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// 这是前面与文章内容无关的PHP代码部分</span></span><span>
</span><span><span class="hljs-function"><span class="hljs-keyword">function</span></span></span><span> </span><span><span class="hljs-title">dummyFunction</span></span><span>(</span><span><span class="hljs-params"></span></span><span>) {
    </span><span><span class="hljs-keyword">return</span></span><span> </span><span><span class="hljs-string">"This is unrelated code."</span></span><span>;
}
</span><span><span class="hljs-meta">?></span></span><span>

<hr>

</span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// 文章正文部分开始</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>spl_autoload_unregister 会影响性能吗？和 spl_autoload_register 对比分析</h1>"</span></span><span>;

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>在PHP中，自动加载机制极大地简化了类文件的管理，<code>spl_autoload_register