- var_dump: documentation ( source)
- ceil: documentation ( source)
<?php
$base = new DateTime("2015-03-04 00:00:00 Europe/Berlin");
$date = new DateTime("2015-03-06 04:23:56 UTC");
$interval = new DateInterval('P1D');
var_dump(ceilDateTimeByInterval($base, $date, $interval));
function ceilDateTimeByInterval($baseDate, $date, $interval) {
$ret = $date;
$diff = $date->diff($baseDate);
if ($interval->y) {
$y = ceil($diff->y / $interval->y) * $interval->y;
}
if ($interval->m) {
$m = ceil($diff->m / $interval->m) * $interval->m;
}
if ($interval->d) {
$d = ceil($diff->d / $interval->d) * $interval->d;
}
if (isset($y) || isset($m) || isset($d)) {
$y = isset($y) ? $y : (int)$date->format('Y');
$m = isset($m) ? $m : (int)$date->format('m');
$d = isset($d) ? $d : (int)$date->format('d');
$ret = ($ret === $date) ? clone $ret : $ret;
$ret->setDate($y, $m, $d);
}
if ($interval->h) {
$h = ceil($diff->h / $interval->h) * $interval->h;
}
if ($interval->i) {
$i = ceil($diff->i / $interval->i) * $interval->i;
}
if ($interval->s) {
$s = ceil($diff->s / $interval->s) * $interval->s;
}
if (isset($h) || isset($i) || isset($s)) {
$h = isset($h) ? $h : (int)$date->format('G');
$i = isset($i) ? $i : (int)$date->format('i');
$s = isset($s) ? $s : (int)$date->format('s');
$ret = ($ret === $date) ? clone $ret : $ret;
$ret->setTime($h, $i, $s);
}
return $ret;
}