grade/report/grader MDL-20222 Define a variable as empty array to avoid notice when...

diff --git a/grade/report/grader/lib.php b/grade/report/grader/lib.php
index 8ba9745bcc1ee7b9ee2b580af24ecdd7529d0266..310d17d7a63d6f468553331f7234c09195c4b935 100644 (file)
--- a/grade/report/grader/lib.php
+++ b/grade/report/grader/lib.php
@@ -372,6 +372,7 @@ class grade_report_grader extends grade_report {
         if (empty($this->users)) {
             $this->userselect = '';
             $this->users = array();
+            $this->userselect_params = array();
         } else {
             list($usql, $params) = $DB->get_in_or_equal(array_keys($this->users), SQL_PARAMS_NAMED, 'usid0');
             $this->userselect = "AND g.userid $usql";