- var_dump: documentation ( source)
<?php
$today = new DateTime();
$today->setTime(0,0,48);
$issued = new DateTime();
$issued->setTime(0,0,0);
$issued->sub(new DateInterval('P1D'));
$diff = $issued->diff($today);
/* $voidable */
/* $voidable */
/*echo "<pre>";
print_r($today);
print_r($issued);
var_dump($diff);
echo "</pre>";*/
var_dump(($today->format('Y-m-d') == $issued->format('Y-m-d')) or ($diff->d == 1 and $diff->h < 3));