Online PHP editor | output for VQdtF

<?php $numbers = [1,1,2,2,2,3,4,4,5,6,6,6,7]; $counts = []; $counts[] = ["values"=> [1, 3], "records" => []]; $counts[] = ["values"=> [4, 5], "records" => []]; $counts[] = ["values"=> [6, 7], "records" => []]; foreach ($numbers as $number) { foreach ($counts as $key => &$value) { if ($number >= $value["values"][0] && $number <= $value["values"][1]) { $value["records"][] = $number; } } } echo "<pre>"; foreach ($counts as $count) { echo $count["values"][0]." - ".$count["values"][1]." = ".count($count["records"])." elements<br>"; }