$s = "2020-06-11";
$sdt = strtotime($s);
$dtarr = getDate($sdt);
print_r($dtarr);
/*
run:
Array
(
[seconds] => 0
[minutes] => 0
[hours] => 0
[mday] => 11
[wday] => 4
[mon] => 6
[year] => 2020
[yday] => 162
[weekday] => Thursday
[month] => June
[0] => 1591833600
)
*/