ajout de la partie slam dans le dossier web

ap23/web/doku/inc/Action/Diff.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace dokuwiki\Action;
+
+/**
+ * Class Diff
+ *
+ * Show the differences between two revisions
+ *
+ * @package dokuwiki\Action
+ */
+class Diff extends AbstractAction {
+
+    /** @inheritdoc */
+    public function minimumPermission() {
+        return AUTH_READ;
+    }
+
+    /** @inheritdoc */
+    public function preProcess() {
+        global $INPUT;
+
+        // store the selected diff type in cookie
+        $difftype = $INPUT->str('difftype');
+        if(!empty($difftype)) {
+            set_doku_pref('difftype', $difftype);
+        }
+    }
+
+    /** @inheritdoc */
+    public function tplContent() {
+        html_diff();
+    }
+
+}