- date_default_timezone_set: documentation ( source)
- date: documentation ( source)
- strtotime: documentation ( source)
<?php
date_default_timezone_set('America/Montevideo');
$hoy = date('d-m-Y H:i:s');
$hoystr = strtotime($hoy);
$mañana = date('d-m-Y H:i:s',strtotime('+1 day', $hoystr));
/*echo $hoy;
echo "\n";
echo $mañana;
echo "\n";*/
$time = strtotime(date('H:i',$hoystr));
$otro = strtotime(date('H:i','09:00:00'));
echo "hora de ingreso: ".date('H:i',$hoystr);
echo "\n";
echo "hora comienzo atencion: 09:00";
echo "\n";
echo "diferencia: ".date('H:i',$time-$otro);