PHP sort multidimensional array with primary & secondary keys

Question

How do you sort a multidimensional array by primary and secondary key? For example, assuming the following array:

$result = array();

$result[0][\"prio\"] =          


        

Answer 1

You may use usort() to define custom sort function.
Here's an example

 $value) {
    echo "$key: $value\n";
}
?>

The output will be

0: 1
1: 2
2: 3
3: 5
4: 6

More info can be found at http://www.php.net/manual/en/function.usort.php
It should help you get started.