<span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// 以下为与文章内容无关的前置 PHP 代码示例</span></span><span>
</span><span><span class="hljs-variable">$placeholder</span></span><span> = </span><span><span class="hljs-string">"这部分代码与文章内容无关,可以用于初始化或测试。"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-variable">$placeholder</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">// 正文开始</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>socket_wsaprotocol_info_export 在 Windows 系统中的典型使用案例有哪些?</h1>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>在 Windows 系统中,<code>socket_wsaprotocol_info_export