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run code in 300+ PHP versions simultaneously

@ 2018-08-10T21:21:31Z

<?php

$Arr1=Array
    (
        0 => Array
        (
            "id" => "4123",
            "test_number" => "1",
            "sat_total" => "1050"
        ),
        1 => Array
        (
            "id" => "4123",
            "test_number" => "2",
            "sat_total" => "1130"
        ),
        2 => Array
        (
            "id" => "4123",
            "test_number" => "3",
            "sat_total" => "1120"
        ),
        3 => Array
        (
            "id" => "5555",
            "test_number" => "1",
            "sat_total" => "1130"
        ),
        4 => Array
        (
            "id" => "5555",
            "test_number" => "2",
            "sat_total" => "1160"
        )
    );

    $ids = array_column($Arr1, "id");
    $sat = array_column($Arr1, "sat_total");

    foreach(array_unique($ids) as $id){
        $new[] = ["id" => $id, "scores" => array_values(array_intersect_key($sat,array_intersect_key($Arr1, array_intersect($ids, [$id]))))];
    }
    var_dump($new);

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: array(2) { [0]=> array(2) { ["id"]=> string(4) "4123" ["scores"]=> array(3) { [0]=> string(4) "1050" [1]=> string(4) "1130" [2]=> string(4) "1120" } } [1]=> array(2) { ["id"]=> string(4) "5555" ["scores"]=> array(2) { [0]=> string(4) "1130" [1]=> string(4) "1160" } } }

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