Online PHP editor | output for jSdsA

<?php $arr = Array( 42 => 10, 55 => 20, 56 => 10, 57 => 4, 58 => 5, 59 => 240, 60 => 123, ); // Can we do all in one subarray? if(array_sum($arr) >= 250){ //No $sum = 0; $index = 0; $result[$index] =[]; //Loop the array and keep the sum in memory foreach($arr as $key => $val){ if($sum + $val < 250){ //Less than 250, just keep adding the values $result[$index]['values'][] = $val; $result[$index]['elements'][] = $key; $sum += $val; }else{ // More than 250, create a new subarray and reset sum $sum = $val; $index++; $result[$index] = ['values' => [$val], 'elements' => [$key]]; } } }else{ //Yes, group the values and keys $result = [['values' => array_values($arr), 'elements' => array_keys($arr)]]; } var_dump($result);