Use DateTime
:
To get tomorrow from now :
$d = new DateTime('+1day');
$tomorrow = $d->format('d/m/Y h.i.s');
echo $tomorrow;
Results : 28/06/2017 08.13.20
To get tomorrow from a date :
$d = new DateTime('2017/06/10 08.16.35 +1day')
$tomorrow = $d->format('d/m/Y h.i.s');
echo $tomorrow;
Results : 11/06/2017 08.16.35
Hope it helps!