Online PHP editor | refs for R8I2f

<?php $a = new \DateTime('1/1/2012'); foreach(range(1, 12) as $i) { $a->modify('+1 month'); } echo $a->format('m/d/Y'), PHP_EOL; $b = new \DateTime('1/1/2012'); foreach(range(1, 12) as $i) { $b->modify('+30 days'); } echo $b->format('m/d/Y'), PHP_EOL; echo $a->diff($b)->format('%a'), PHP_EOL;