Archiving old website

set_background.php

@@ -0,0 +1,21 @@
+<?php
+  function scanAllDir($dir) {
+    $result = [];
+    foreach(scandir($dir) as $filename) {
+      if ($filename[0] === '.') continue;
+      $filePath = $dir . '/' . $filename;
+      if (is_dir($filePath)) {
+        foreach (scanAllDir($filePath) as $childFilename) {
+          $result[] = $filename . '/' . $childFilename;
+        }
+      } else {
+        $result[] = $filename;
+      }
+    }
+    return $result;
+  }
+
+  $backgrounds = scanAllDir("backgrounds");
+  $chosen_background = $backgrounds[array_rand($backgrounds)];
+  $chosen_background = "backgrounds/" . $chosen_background;
+?>