Wobbly-Website/file_viewer.php

<?php
  function completeScanDir($dir) {
    $result = [];
    foreach(scandir($dir) as $filename) {
      if ($filename[0] === '.') continue;
      $filePath = $dir . '/' . $filename;

      if (is_dir($filePath)) {
        $result[$filePath] = completeScanDir($filePath);

      } else {
        $result[$filePath] = $filename;
      }
    }
    return $result;
  }

  function generateCSSCode($directory) {
    foreach ($directory as $path => $filename) {
      if (is_array($filename)) {  // $filename is either a filename or an array of filenames, if so, it represents a directory
        $randomColor = "rgba(" . rand(0, 255) . ", " . rand(0, 255) . ", " . rand(0, 255);

        $useableName = str_replace("/", "_", $path);
        echo "      #input_$useableName:checked + .submenu_$useableName,
      .submenu_$useableName:hover {
          display: block;
          background-color: $randomColor, 0.2);
      }\n\n";

        generateCSSCode($filename);
      }
    }
  }

  function generateSubmenusHTML($directory, $indentation) {
    foreach ($directory as $path => $filename) {
      $useableName = str_replace("/", "_", $path);  // CSS classes cant contain slashes

      if (is_array($filename)) {
        $folderName = end(explode("/", $path));
        echo "      $indentation<label for='input_$useableName' class='inout hcb-label label_$useableName'>$folderName</label>
      $indentation<input type='checkbox' id='input_$useableName' class='hacked-checkbox'>
      $indentation<div class='glass inset submenu submenu_$useableName' id='submenu_$useableName'>\n";

        if (file_exists("$path/README.txt")) {  // show description text if there is a README.txt
          echo "        $indentation<p class='tiny-text'>Beschreibung:</p>\n";

          $readmeFile = fopen("$path/README.txt", "r");
          $readmeContent = fread($readmeFile, filesize("$path/README.txt"));
          echo "        $indentation<pre class='heading-text fat-text'>
$readmeContent
        $indentation</pre>
        $indentation<hr>\n";
          fclose($readmeFile);
        }

        generateSubmenusHTML($filename, "$indentation  ");
        echo "      $indentation</div>
      $indentation<br>\n";

      } else {
        if ($filename !== "README.txt") {
          echo "      $indentation<a href='$path' class='file-link'>$filename</a>\n";
        }
      }
      echo "      $indentation<br>\n";
    }
  }
?>