- print_r: documentation ( source)
- usort: documentation ( source)
<?php
function cmp($a, $b)
{
if ($a['sort'] == $b['sort']) {
return 0;
}
return ($a['sort'] < $b['sort']) ? -1 : 1;
}
$a[] = array('name' => 'a1', 'sort'=>3);
$a[] = array('name' => 'b2', 'sort'=>2);
$a[] = array('name' => 'c3', 'sort'=>1);
usort($a, "cmp");
print_r($a);