<?php
function datediffInWeeks($date1, $date2)
{
if($date1 > $date2) return datediffInWeeks($date2, $date1);
$first = DateTime::createFromFormat('m/d/Y', $date1);
$second = DateTime::createFromFormat('m/d/Y', $date2);
return floor($first->diff($second)->days/7);
}
$q = new DateTime('First day of 2015');
var_dump($q);// 21
- Output for 5.6.28, 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- object(DateTime)#1 (3) {
["date"]=>
string(26) "2015-11-01 20:15:00.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
- Output for 7.3.32 - 7.3.33, 8.0.13
- object(DateTime)#1 (3) {
["date"]=>
string(26) "2015-11-01 20:15:00.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
- Output for 5.5.24, 5.5.35, 5.6.21, 7.0.6
- object(DateTime)#1 (3) {
["date"]=>
string(26) "2016-05-01 20:15:00.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
- Output for 5.5.25 - 5.5.30, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, 7.0.5
- object(DateTime)#1 (3) {
["date"]=>
string(26) "2016-04-01 20:15:00.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
- Output for 5.5.31 - 5.5.33, 5.6.15 - 5.6.19, 7.0.0 - 7.0.4
- object(DateTime)#1 (3) {
["date"]=>
string(26) "2016-03-01 20:15:00.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
preferences:
181.32 ms | 402 KiB | 183 Q