mysqli_stmt::result_metadata函數返回false的常見原因有哪些？怎麼解決？

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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>mysqli_stmt::result_metadata函數返回false的常見原因有哪些？怎麼解決？</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MySQLi擴展進行預處理語句操作時，<code>mysqli_stmt::result_metadata

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