diff --git a/backup/moodle2/backup_attendance_activity_task.class.php b/backup/moodle2/backup_attendance_activity_task.class.php
index 762fe71..0e474f4 100644
--- a/backup/moodle2/backup_attendance_activity_task.class.php
+++ b/backup/moodle2/backup_attendance_activity_task.class.php
@@ -53,7 +53,7 @@ class backup_attendance_activity_task extends backup_activity_task {
      * @param string $content
      * @return string
      */
-    static public function encode_content_links($content) {
+    public static function encode_content_links($content) {
         global $CFG;
 
         $base = preg_quote($CFG->wwwroot, "/");
diff --git a/backup/moodle2/restore_attendance_activity_task.class.php b/backup/moodle2/restore_attendance_activity_task.class.php
index 5276988..d30493d 100644
--- a/backup/moodle2/restore_attendance_activity_task.class.php
+++ b/backup/moodle2/restore_attendance_activity_task.class.php
@@ -51,7 +51,7 @@ class restore_attendance_activity_task extends restore_activity_task {
      * Define the contents in the activity that must be
      * processed by the link decoder
      */
-    static public function define_decode_contents() {
+    public static function define_decode_contents() {
         $contents = array();
 
         $contents[] = new restore_decode_content('attendance_sessions',
@@ -64,7 +64,7 @@ class restore_attendance_activity_task extends restore_activity_task {
      * Define the decoding rules for links belonging
      * to the activity to be executed by the link decoder
      */
-    static public function define_decode_rules() {
+    public static function define_decode_rules() {
         $rules = array();
 
         $rules[] = new restore_decode_rule('ATTENDANCEVIEWBYID',
@@ -88,7 +88,7 @@ class restore_attendance_activity_task extends restore_activity_task {
      * attendance logs. It must return one array
      * of {@see restore_log_rule} objects
      */
-    static public function define_restore_log_rules() {
+    public static function define_restore_log_rules() {
         $rules = array();
 
         // TODO: log restore.
@@ -105,7 +105,7 @@ class restore_attendance_activity_task extends restore_activity_task {
      * by the restore final task, but are defined here at
      * activity level. All them are rules not linked to any module instance (cmid = 0)
      */
-    static public function define_restore_log_rules_for_course() {
+    public static function define_restore_log_rules_for_course() {
         $rules = array();
 
         return $rules;