Online PHP editor | output for 0frKf

<?php function dumpMappedRow($mappedRow) { var_dump([ 'created' => $mappedRow['created']->format(DateTime::ISO8601), 'modified' => $mappedRow['modified']->format(DateTime::ISO8601) ]); } $date = new DateTime(); $mappedRow['created'] = $date; $mappedRow['modified'] = $date; dumpMappedRow($mappedRow); $mappedRow['modified']->setDate("2015", "11", "15"); dumpMappedRow($mappedRow); if ($mappedRow['created']->getTimestamp() === $mappedRow['modified']->getTimestamp()) { echo "\nCreated and Modified are set to the same value." }