<?php namespace PhpOffice\PhpSpreadsheet\Writer\Xlsx; use PhpOffice\PhpSpreadsheet\Writer\Xlsx; abstract class WriterPart { /** * Parent Xlsx object. * * @var Xlsx */ private $parentWriter; /** * Get parent Xlsx object. * * @return Xlsx */ public function getParentWriter() { return $this->parentWriter; } /** * Set parent Xlsx object. */ public function __construct(Xlsx $writer) { $this->parentWriter = $writer; } }