- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(3) { [0]=> string(10) "2019-05-23" [1]=> string(10) "2021-01-01" [2]=> string(10) "2022-09-13" }
<?php
$input = [
"2021-01-01",
"2019-05-23",
"2022-09-13",
];
$dates = array_map(
function (string $dateString) {
return (new \DateTimeImmutable($dateString))->format("Y-m-d");
},
$input
);
sort($dates);
var_dump($dates);