1 time()
sekunder siden 01-01-1970		 1664488004
2 dags dato 2022
3 dags dato vha time() 29-09-2022 21:46:44
4 tids soner The time in UTC is 21:46:44
The time in Asia/Calcutta is 03:16:44
The time in Europe/Copenhagen is 23:46:44
5 årets dagnummer (dd) 271
6 date("l", mktime(0,0,0,3,20,1941)
dag
dag nummer i året
dato
Thursday
83
25 03 2021
7 $date = date_create();
echo date_timestamp_get($date); 		1664488004
8 (0,0,0,3,20,1970) 78
9 (0,0,0,3,20,1972) 79
10 date(m.y*10000+m.m*100+m.d)
y=2021, m=3, d=20 (sql format, felttype:date) 		22 08 1970
20210320
1616194800
20 03 2021
11 $dato = "23-02-2022 10:54:20";
$date=date_create($dato);
$phpdato = date_format($date,"Y-m-d G:i:s");
2022-02-23 10:54:20
1645610060
12 $dt = strtotime("2012-12-21 22:15:16");
echo date("Y-m-d", strtotime("+1 month", $dt))."\n"; 		2013-01-21 22:15:16
13 $dt = strtotime("21-12-2012 22:15:16");
echo date("Y-m-d", strtotime("+1 month", $dt))."\n"; 		21-12-2013 22:15:16
14 $dt = "21-12-2012 22:15:16";
echo date("d-m-Y G:i:s", strtotime("+1 year", strtotime($dt))); 		21-12-2013 22:15:16