1<?php 2 3namespace DeepCopy\Filter; 4 5class KeepFilter implements Filter 6{ 7 /** 8 * Keeps the value of the object property. 9 * 10 * {@inheritdoc} 11 */ 12 public function apply($object, $property, $objectCopier) 13 { 14 // Nothing to do 15 } 16} 17