PHPでmysql_resultをmysqliに置き換える公式の方法

<code><span>// here's a rough replacement using mysqli:</span><span>// 错略的使用mysqli替换</span><span>if</span> (!function_exists(<span>'mysql_result'</span>)) {
    <span><span>function</span><span>mysql_result</span><span>(<span>$result</span>, <span>$number</span>, <span>$field</span>=<span>0</span>)</span> {</span>
        mysqli_data_seek(<span>$result</span>, <span>$number</span>);
        <span>$row</span> = mysqli_fetch_array(<span>$result</span>);
        <span>return</span><span>$row</span>[<span>$field</span>];
    }
}</code>