When adding a teacher, remove them as a student.

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 2c4d295c749095629c0098c0b0eef6a83502498c..7e3fc467e9fa42133d4c95db21cb4d65892797ad 100644 (file)
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -807,6 +807,8 @@ function add_teacher($userid, $courseid) {
             } else {
                 $teacher->authority = 1;
             }
+            delete_records("user_students", "userid", $userid, "course", $courseid); // Unenrol as student
+
             return insert_record("user_teachers", $teacher);
         }
         return false;