為什麼ftp_cdup函數會返回false？常見原因和解決辦法

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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>為什麼ftp_cdup函數會返回false？常見原因和解決辦法</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 FTP 函數時，<code>ftp_cdup