Online PHP editor | output for V293P

@ 2018-05-03T17:59:38Z

<?php


$items = [
    [
        'qty'    => 1,
        'weight' => 1,
    ],
    [
        'qty'    => 2,
        'weight' => 1,
    ],
    [
        'qty'    => 3,
        'weight' => 1,
    ],
    [
        'qty'    => 1,
        'weight' => 5,
    ],
];

$weights = array_column($items, 'weight');
$result =0;
Foreach(array_unique($weights) as $weight){
    $weightitems = preg_grep("/". $weight . "/", $weights);
    $result += array_sum(array_column(array_intersect_key($items, $weightitems), "qty")) * $weight;
}
Echo $result;

Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 11
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 11

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