Minor: Code styling

main/gradebook/gradebook_display_certificate.php

@@ -214,7 +214,7 @@ switch ($action) {
                 }
             }
 
-            foreach($exportData as $key => $row) {
+            foreach ($exportData as $key => $row) {
                 $list = GradebookUtils::get_list_gradebook_certificates_by_user_id(
                     $row[0],
                     $categoryId
@@ -225,7 +225,7 @@ switch ($action) {
                     $row[] = api_convert_and_format_date($valueCertificate['created_at']);
                 }
 
-                foreach($usersProfileInfo as $extraInfo) {
+                foreach ($usersProfileInfo as $extraInfo) {
                     $row[] = $extraInfo[$row[0]][0];
                 }