MDL-9102 incorrect use of unset_config()

diff --git a/enrol/ldap/enrol.php b/enrol/ldap/enrol.php
index b873f434cf2fb55d262f76f67ff3b8dd1fc2da06..46b1d2c87e9acd424bb53cf3e7865538f019ffd0 100755 (executable)
--- a/enrol/ldap/enrol.php
+++ b/enrol/ldap/enrol.php
@@ -646,7 +646,7 @@ function check_legacy_config () {
             set_config('enrol_ldap_contexts_role'.$student_role->id, $CFG->enrol_ldap_student_contexts);
         }
 
-        unset_config($CFG->enrol_ldap_student_contexts);
+        unset_config('enrol_ldap_student_contexts');
     }
 
     if (isset($CFG->enrol_ldap_student_memberattribute)) {
@@ -655,7 +655,7 @@ function check_legacy_config () {
             set_config('enrol_ldap_memberattribute_role'.$student_role->id, $CFG->enrol_ldap_student_memberattribute);
         }
 
-        unset_config($CFG->enrol_ldap_student_memberattribute);
+        unset_config('enrol_ldap_student_memberattribute');
     }
 
     if (isset($CFG->enrol_ldap_teacher_contexts)) {
@@ -663,7 +663,7 @@ function check_legacy_config () {
             set_config('enrol_ldap_contexts_role'.$teacher_role->id, $CFG->enrol_ldap_student_contexts);
         }
 
-        unset_config($CFG->enrol_ldap_teacher_contexts);
+        unset_config('enrol_ldap_teacher_contexts');
     }
     
     if (isset($CFG->enrol_ldap_teacher_memberattribute)) {
@@ -672,7 +672,7 @@ function check_legacy_config () {
             set_config('enrol_ldap_memberattribute_role'.$teacher_role->id, $CFG->enrol_ldap_teacher_memberattribute);
         }
 
-        unset_config($CFG->enrol_ldap_teacher_memberattribute);
+        unset_config('enrol_ldap_teacher_memberattribute');
     }
 }