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@ 2019-07-05T07:14:31Z

<?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);

Output for git.master, git.master_jit, rfc.property-hooks: array(3) { [0]=> array(2) { ["values"]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(10) [3]=> int(4) [4]=> int(5) } ["elements"]=> array(5) { [0]=> int(42) [1]=> int(55) [2]=> int(56) [3]=> int(57) [4]=> int(58) } } [1]=> array(2) { ["values"]=> array(1) { [0]=> int(240) } ["elements"]=> array(1) { [0]=> int(59) } } [2]=> array(2) { ["values"]=> array(1) { [0]=> int(123) } ["elements"]=> array(1) { [0]=> int(60) } } }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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