<span><span><span class="hljs-meta"><?php</span></span><span>
</span><span><span class="hljs-comment">// This part of the code is unrelated to the article content and serves as an example environment initialization</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>;
<p></span>$conn = new mysqli($servername, $username, $password, $dbname);<br>
if ($conn->connect_error) {<br>
die("Connection failed: " . $conn->connect_error);<br>
}<br>
?></p>
<p><hr></p>
<p><h2>How to Use <code>mysqli_result::fetch_fieldfetch_field<span>
By using the mysqli_result::fetch_field() method to automatically retrieve field information, PHP programs can dynamically generate flexible and adaptive HTML table headers, eliminating the maintenance challenges posed by hardcoded field names. When combined with data output loops, the front-end display is more aesthetically pleasing and adaptable, making it a highly practical technique in development.
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