<?php
$array = array(
array('name' => 'John', 'age' => 28),
array('name' => 'Jane', 'age' => 22),
array('name' => 'Doe', 'age' => 25),
);
usort($array, function($a, $b) {
return $a['age'] <=> $b['age'];
});
print_r($array);
?>