<span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// Introduction section (unrelated to article content)</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"This is the introductory output of the program, demonstrating the PHP code format.\n"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"The article content follows below, separated from the introduction by a horizontal line.\n"</span></span><span>;
</span><span><span class="hljs-meta">?></span></span><span>
<p><hr></p>
<p><h1>Why Does the FTP Server Stay Connected After Executing ftp_quit? Technical Explanation Behind It</h1></p>
<p data-is-last-node="" data-is-only-node=""><p>When using PHP's FTP extension for file transfers, many developers encounter a seemingly confusing issue: even after calling <code></span>ftp_quit<span>()
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