socket_last_error 抓不到錯誤的原因有哪些？常見三大原因分析

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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>socket_last_error 抓不到錯誤的原因有哪些？常見三大原因分析</h1>"</span></span><span>;

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>在使用 PHP 的 socket 編程時，開發者常用 <code>socket_last_error()