How can PHP be used to automatically display all subfolders in a directory in a dropdown menu on a webpage?

To automatically display all subfolders in a directory in a dropdown menu on a webpage using PHP, you can use the `scandir()` function to retrieve a list of all directories within the specified directory. Then, iterate through the list and generate HTML `<option>` tags for each subfolder to populate the dropdown menu. 

&lt;select&gt;
&lt;?php
$directory = &quot;path/to/directory&quot;;
$subfolders = array_diff(scandir($directory), array(&#039;..&#039;, &#039;.&#039;));
foreach ($subfolders as $subfolder) {
    if (is_dir($directory . &#039;/&#039; . $subfolder)) {
        echo &quot;&lt;option value=&#039;$subfolder&#039;&gt;$subfolder&lt;/option&gt;&quot;;
    }
}
?&gt;
&lt;/select&gt;

Keywords

PHP directory subfolders dropdown menu webpage

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