Merge pull request #257 from eduardomozart/patch-1

Fix "Empty regular expression" PHP8 Warning
selfthinker · May 10, 2023 · 8a6076b · 8a6076b
2 parents f52bc58 + 3af97fc
commit 8a6076b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/helper.php b/helper.php
@@ -84,7 +84,7 @@ function getAttributes($data, $useNoPrefix=true) {
                 if ($restrictionType xor $classIsInList) continue;
             }
             // prefix adjustment of class name
-            $prefix = (preg_match($noPrefix, $token)) ? '' : 'wrap_';
+            $prefix = (!empty($noPrefix) && preg_match($noPrefix, $token)) ? '' : 'wrap_';
             $attr['class'] = (isset($attr['class']) ? $attr['class'].' ' : '').$prefix.$token;
         }
         if ($this->getConf('darkTpl')) {