usort issue with decimal numbers

Question

I\'m currently trying to sort a multidimensional array by its subvalues. The structure of the array is:

[0] => Array
    (
        [id] => 87
        [         


        

Answer 1

Try strnatcmp():

usort($output, function($a, $b) {
    return strnatcmp($b->days_left, $a->days_left);
});