Adjusted PHP 7 return types [skip ci]

framework/db/ActiveRecord.php

@@ -448,7 +448,7 @@ public static function populateRecord($record, $row)
      * @param array $attributes list of attributes that need to be saved. Defaults to `null`,
      * meaning all attributes that are loaded from DB will be saved.
      * @return bool whether the attributes are valid and the record is inserted successfully.
-     * @throws \Exception in case insert failed.
+     * @throws \Exception|\Throwable in case insert failed.
      */
     public function insert($runValidation = true, $attributes = null)
     {
@@ -557,7 +557,7 @@ protected function insertInternal($attributes = null)
      * or [[beforeSave()]] stops the updating process.
      * @throws StaleObjectException if [[optimisticLock|optimistic locking]] is enabled and the data
      * being updated is outdated.
-     * @throws \Exception in case update failed.
+     * @throws \Exception|\Throwable in case update failed.
      */
     public function update($runValidation = true, $attributeNames = null)
     {
@@ -605,7 +605,7 @@ public function update($runValidation = true, $attributeNames = null)
      * Note that it is possible the number of rows deleted is 0, even though the deletion execution is successful.
      * @throws StaleObjectException if [[optimisticLock|optimistic locking]] is enabled and the data
      * being deleted is outdated.
-     * @throws \Exception in case delete failed.
+     * @throws \Exception|\Throwable in case delete failed.
      */
     public function delete()
     {