bedezign\yii2\audit\AuditTrailBehavior::auditAttributes PHP Method

    protected function auditAttributes($action)
    {
        // Get the new and old attributes
        $newAttributes = $this->cleanAttributes($this->owner->getAttributes());
        $oldAttributes = $this->cleanAttributes($this->getOldAttributes());
        // If no difference then get out of here
        if (count(array_diff_assoc($newAttributes, $oldAttributes)) <= 0) {
            return;
        }
        // Get the trail data
        $entry_id = $this->getAuditEntryId();
        $user_id = $this->getUserId();
        $model = $this->owner->className();
        $model_id = $this->getNormalizedPk();
        $created = date($this->dateFormat);
        $this->saveAuditTrail($action, $newAttributes, $oldAttributes, $entry_id, $user_id, $model, $model_id, $created);
    }