1 <?php
2 
3 namespace dokuwiki\Action;
4 
5 use dokuwiki\Ui\PageDiff;
6 use dokuwiki\Ui;
7 
8 /**
9  * Class Diff
10  *
11  * Show the differences between two revisions
12  *
13  * @package dokuwiki\Action
14  */
15 class Diff extends AbstractAction
16 {
17     /** @inheritdoc */
18     public function minimumPermission()
19     {
20         return AUTH_READ;
21     }
22 
23     /** @inheritdoc */
24     public function preProcess()
25     {
26         global $INPUT;
27 
28         // store the selected diff type in cookie
29         $difftype = $INPUT->str('difftype');
30         if (!empty($difftype)) {
31             set_doku_pref('difftype', $difftype);
32         }
33     }
34 
35     /** @inheritdoc */
36     public function tplContent()
37     {
38         global $INFO;
39         (new PageDiff($INFO['id']))->preference('showIntro', true)->show();
40     }
41 }
42