Merge pull request dokuwiki#4370 from dokuwiki/bot/autofix

🤖 Automatic code style fixes

Author: splitbrain

inc/Search/Indexer.php

@@ -906,7 +906,7 @@ public function histogram($min = 1, $max = 0, $minlen = 3, $key = null)
                 if ($freq >= $min && (!$max || $freq <= $max))
                     $val_idx[$wid] = $freq;
             }
-            if (!empty($val_idx)) {
+            if ($val_idx !== []) {
                 $words = $this->getIndex($metaname . '_w', '');
                 foreach ($val_idx as $wid => $freq) {
                     if (strlen($words[$wid]) >= $minlen)

inc/auth.php

@@ -103,7 +103,7 @@ function auth_setup()
     if (!auth_tokenlogin()) {
         $ok = null;
 
-        if ($auth instanceof AuthPlugin && $auth->canDo('external')) {
+        if ($auth->canDo('external')) {
             $ok = $auth->trustExternal($INPUT->str('u'), $INPUT->str('p'), $INPUT->bool('r'));
         }
 

inc/common.php

@@ -1730,7 +1730,7 @@ function userlink($username = null, $textonly = false)
                         if (is_null($xhtml_renderer)) {
                             $xhtml_renderer = p_get_renderer('xhtml');
                         }
-                        if (empty($xhtml_renderer->interwiki)) {
+                        if ($xhtml_renderer->interwiki === []) {
                             $xhtml_renderer->interwiki = getInterwiki();
                         }
                         $shortcut = 'user';