- var_dump: documentation ( source)
- uasort: documentation ( source)
- print_r: documentation ( source)
<?php
$a = [1,2,3,4,5,6,1,2,3,4,5,6];
$f = function($a,$b) {
return $a < $b ? 1 : ($a > $b ? -1 : 0);
};
uasort($a, $f);
print_r($a);
var_dump($x);