How can PHP be used to dynamically generate a directory tree with expandable and collapsible nodes?

To dynamically generate a directory tree with expandable and collapsible nodes using PHP, you can use a recursive function to traverse the directory structure and output the HTML with JavaScript for expanding and collapsing nodes.

&lt;?php
function generateDirectoryTree($path) {
    $tree = &#039;&lt;ul&gt;&#039;;
    $files = scandir($path);
    
    foreach($files as $file) {
        if ($file != &#039;.&#039; &amp;&amp; $file != &#039;..&#039;) {
            $fullPath = $path . &#039;/&#039; . $file;
            if (is_dir($fullPath)) {
                $tree .= &#039;&lt;li&gt;&lt;span class=&quot;folder&quot;&gt;&#039; . $file . &#039;&lt;/span&gt;&#039;;
                $tree .= generateDirectoryTree($fullPath);
                $tree .= &#039;&lt;/li&gt;&#039;;
            } else {
                $tree .= &#039;&lt;li&gt;&lt;span class=&quot;file&quot;&gt;&#039; . $file . &#039;&lt;/span&gt;&lt;/li&gt;&#039;;
            }
        }
    }
    
    $tree .= &#039;&lt;/ul&gt;&#039;;
    return $tree;
}

echo generateDirectoryTree(&#039;path/to/directory&#039;);
?&gt;

Keywords

PHP directory tree expandable nodes collapsible nodes dynamic generation

How can PHP be used to dynamically generate a directory tree with expandable and collapsible nodes?

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