- var_dump: documentation ( source)
- time: documentation ( source)
- usort: documentation ( source)
<?php
$list = [
['stamp' => time()],
['stamp' => time() - 10000],
['stamp' => time() + 10000],
['stamp' => time() + 5],
];
usort($list, function($a, $b) {
return $a['stamp'] - $b['stamp'];
});
var_dump($list);