fix: corrected request handling for search term

Author: thorsten

phpmyfaq/search.php

@@ -60,7 +60,7 @@
 $request = Request::createFromGlobals();
 $inputLanguage = Filter::filterVar($request->query->get('pmf-all-languages'), FILTER_SANITIZE_SPECIAL_CHARS);
 $inputCategory = Filter::filterVar($request->query->get('pmf-search-category'), FILTER_VALIDATE_INT, '%');
-$inputSearchTerm = Filter::filterVar($request->query->get('search'), FILTER_SANITIZE_SPECIAL_CHARS);
+$inputSearchTerm = Filter::filterVar($request->request->get('search'), FILTER_SANITIZE_SPECIAL_CHARS);
 $inputSearchTerm = Strings::substr($inputSearchTerm, 0, 255);
 $inputTag = Filter::filterVar($request->query->get('tagging_id'), FILTER_SANITIZE_SPECIAL_CHARS);