PHP array sort using inner val

Question

Array
(
[1] => Array
    (
        [id] => 1
        [sort] => 1
    )

[3] => Array
    (
        [id] => 3
        [sort] => 3
    )

[2] => A         


        

Answer 1

Something like this:

uasort($array, 'compfunc');

function compfunc($a, $b)
{
    return $a['sort'] - $b['sort'];
}