mysqli_stmt :: next_resultとmysqli :: more_resultsの違いは何ですか？両者の関係は何ですか？

<span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// この部分はテキストとは何の関係もありません PHP コードの例</span></span><span>
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"データベース操作の実行を開始します...<br>"</span></span><span>;
</span><span><span class="hljs-variable">$servername</span></span><span> = </span><span><span class="hljs-string">"localhost"</span></span><span>;
</span><span><span class="hljs-variable">$username</span></span><span> = </span><span><span class="hljs-string">"root"</span></span><span>;
</span><span><span class="hljs-variable">$password</span></span><span> = </span><span><span class="hljs-string">""</span></span><span>;
</span><span><span class="hljs-variable">$dbname</span></span><span> = </span><span><span class="hljs-string">"test_db"</span></span><span>;

</span><span><span class="hljs-variable">$conn</span></span><span> = </span><span><span class="hljs-keyword">new</span></span><span> </span><span><span class="hljs-title function_ invoke__">mysqli</span></span><span>(</span><span><span class="hljs-variable">$servername</span></span><span>, </span><span><span class="hljs-variable">$username</span></span><span>, </span><span><span class="hljs-variable">$password</span></span><span>, </span><span><span class="hljs-variable">$dbname</span></span><span>);
</span><span><span class="hljs-keyword">if</span></span><span> (</span><span><span class="hljs-variable">$conn</span></span><span>->connect_error) {
    </span><span><span class="hljs-keyword">die</span></span><span>(</span><span><span class="hljs-string">"接続に失敗しました: "</span></span><span> . </span><span><span class="hljs-variable">$conn</span></span><span>->connect_error);
}
</span><span><span class="hljs-meta">?></span></span><span>

<hr>

</span><span><span class="hljs-meta"><?php</span></span><span>
<span class="hljs-comment">/*
記事テキスト：タイトル：[mysqli_stmt::next_result そして mysqli::more_results 違いは何ですか？2つの関係は何ですか？]
*/</span>

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h2>mysqli_stmt::next_result そして mysqli::more_results 違いは何ですか？2つの関係は何ですか？</h2>"</span></span><span>;

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>存在する PHP の MySQLi 拡大，<strong>mysqli_stmt::next_result</strong> そして <strong>mysqli::more_results</strong> すべてが複数のステートメントを備えたクエリです（multi-query）関連している，但它们の使用场景そして对象不同。</p>"</span></span><span>;

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h3>1. mysqli_stmt::next_result</h3>"</span></span><span>;
</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>この方法はです <code>mysqli_stmt