<?php function change_top_items($array, $top_x) { uasort($array, function($a, $b) { if ($a == $b) return 0; return ($a < $b) ? -1 : 1; }); $compare = array_slice($array, -$top_x); $modified = array_map(function($value) use ($compare) { return in_array($value, $compare) ? 1 : 0; }, $array); ksort($modified); return $modified; } $a = [5, 8, 2, 0, 1, 9, 1, 0, 5, 4]; print_r(change_top_items($a, 5));
You have javascript disabled. You will not be able to edit any code.