Fixed Warning into group DT#5496

main/inc/lib/groupmanager.lib.php

@@ -183,8 +183,8 @@ class GroupManager {
 		}
 
 		$groups = array ();
-		while ($thisGroup = Database::fetch_array($groupList))
-		{
+		if(is_array($thisGroup = Database::fetch_array($groupList))){
+			while ($thisGroup = Database::fetch_array($groupList)) {
 				if ($thisGroup['category_id'] == VIRTUAL_COURSE_CATEGORY)
 				{
 					$sql = "SELECT title FROM $table_course WHERE code = '".$thisGroup['name']."'";
@@ -203,6 +203,7 @@ class GroupManager {
 				}
 				$groups[] = $thisGroup;
 			}
+		}
 		return $groups;
 	}
 	/**
@@ -809,8 +810,8 @@ class GroupManager {
 					$i--;
 				}
 			}
-			if(count($group_ids)==0)
-				return false;
+			if(count($group_ids)==0){
+				return false;}
 		}
 
 		global $_course;
@@ -825,7 +826,7 @@ class GroupManager {
 		 * Retrieve all the groups where enrollment is still allowed
 		 * (reverse) ordered by the number of place available
 		 */
-		$sql = "SELECT g.id gid, g.max_student-count(ug.user_id) nbPlaces, g.max_student
+		echo $sql = "SELECT g.id gid, g.max_student-count(ug.user_id) nbPlaces, g.max_student
 				FROM ".$group_table." g
 				LEFT JOIN  ".$group_user_table." ug
 				ON    `g`.`id` = `ug`.`group_id`