Fix small regression in derivatives params.

README.md

@@ -3,7 +3,7 @@ Phyxo
 
 Simply share your images.
 
-![alt tag](https://www.phyxo.net/screenshot.png "Phyxo screenshot")
+![alt tag](https://www.phyxo.net/demo-home.png "Phyxo screenshot")
 
 Requirements
 ------------

TODO.md

@@ -12,7 +12,3 @@
     -   use more friendly assertion (example: see modal instead of see #cboxWrapper)
 
 -   Check modifiers(translation, explode, ternary) in template class
-
--   Find a way to provide simple menu categories and recursive one but not both
--   Give better user experience in case of upgrade in minor or major version. Display a real page not an almost blank page.
--   Fix use of PHPWG_ROOT_PATH that is used for filesystem root path and URL path

src/Phyxo/Image/ImageStdParams.php

@@ -116,7 +116,12 @@ public static function load_from_db()
     {
         global $conf;
 
-        $arr = @unserialize(stripslashes($conf['derivatives']));
+        // ugly hack before refactoring
+        if (!empty($conf['dblayer']) && $conf['dblayer'] === 'mysql') {
+            $arr = @unserialize(stripslashes($conf['derivatives']));
+        } else {
+            $arr = @unserialize($conf['derivatives']);
+        }
         if (false !== $arr) {
             self::$type_map = $arr['d'];
             self::$watermark = @$arr['w'];