1<?php 2 3namespace dokuwiki\Action; 4 5/** 6 * Class Diff 7 * 8 * Show the differences between two revisions 9 * 10 * @package dokuwiki\Action 11 */ 12class Diff extends AbstractAction { 13 14 /** @inheritdoc */ 15 function minimumPermission() { 16 return AUTH_READ; 17 } 18 19 public function preProcess() { 20 global $INPUT; 21 22 // store the selected diff type in cookie 23 $difftype = $INPUT->str('difftype'); 24 if(!empty($difftype)) { 25 set_doku_pref('difftype', $difftype); 26 } 27 } 28 29} 30