caxy / php-htmldiff

                    break;

                case Operation::DELETED:

                    for ($i = $operation->startInOld; $i <= $operation->endInOld; $i++) {

                        $output .= $this->deleteListItem($oldListNode->children($i - 1));

                    }

                    $indexInOld = $operation->endInOld;

                    break;

                case Operation::CHANGED:

                    $changeDelta = 0;

                    for ($i = $operation->startInOld; $i <= $operation->endInOld; $i++) {

                        $output .= $this->deleteListItem($oldListNode->children($i - 1));

                        $changeDelta--;

                    }

                    for ($i = $operation->startInNew; $i <= $operation->endInNew; $i++) {

                        $output .= $this->addListItem($newListNode->children($i - 1), $changeDelta < 0);

                        $changeDelta++;