update adminer and adapt plugins to new version

adminer-plugins/AdminerSerializedColumn.php

@@ -0,0 +1,24 @@
+<?php
+
+/** Display serialize() values as table in edit
+* @link https://www.adminer.org/plugins/#use
+* @author Pau Capó, https://www.paucapo.com/
+* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
+*/
+class AdminerSerializedColumn {
+
+   function serialized_value($data) {
+      echo '<pre disabled style="max-height:300px;overflow:auto;">';
+      var_export($data);
+      echo '</pre>';
+   }
+
+   function editInput($table, $field, $attrs, $value) {
+      $unserialized = @unserialize($value);
+      if ($unserialized && $unserialized !== $value) {
+         $this->serialized_value($unserialized);
+      }
+   }
+
+}