Online PHP editor | refs for 7qkrn

<?php class MyDateTime extends \DateTime { public function add($interval) { $oldDay = (int)$this->format('d'); $this->setDate((int)$this->format('Y'), (int)$this->format('m'), 1); parent::add($interval); $maxDay = (int)$this->format('t'); if($oldDay > $maxDay){ $this->setDate((int)$this->format('Y'), (int)$this->format('m'), $maxDay); } else { $this->setDate((int)$this->format('Y'), (int)$this->format('m'), $oldDay); } return $this; } public function sub($interval) { $oldDay = (int)$this->format('d'); $this->setDate((int)$this->format('Y'), (int)$this->format('m'), 1); parent::sub($interval); $maxDay = (int)$this->format('t'); if($oldDay > $maxDay){ $this->setDate((int)$this->format('Y'), (int)$this->format('m'), $maxDay); } else { $this->setDate((int)$this->format('Y'), (int)$this->format('m'), $oldDay); } return $this; } public function diff($dateTime2, $absolute = false) { if((int)$this->format('t') > (int)$dateTime2->format('t')){ $this->setDate((int)$this->format('Y'), (int)$this->format('m'), (int)$dateTime2->format('t')); } if((int)$this->format('t') < (int)$dateTime2->format('t')){ $dateTime2->setDate((int)$dateTime2->format('Y'), (int)$dateTime2->format('m'), (int)$this->format('t')); } return parent::diff($dateTime2, $absolute); } } $myDateTime1 = new MyDateTime('30th November 2012'); $myDateTime2 = new MyDateTime('28th February 2013'); $interval = $myDateTime2->diff($myDateTime1, true); var_dump($interval);