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@ 2024-01-14T02:34:32Z

<?php

$array = [
    8 => [
        2 => [
            'num_rooms' => 2,
            'adults' => [1, 1],
            'children' => [0, 0],
            'prices' => [50, 50],
            'price' => 130,
            'supp' => 30,
        ],
        3 => [
            'num_rooms' => 1,
            'adults' => [1],
            'prices' => [100],
            'price' => 150,
            'supp' => 50,
        ],
    ],
    1 => [
        2 => [
            'num_rooms' => 2,
            'adults' => [1, 1],
            'children' => [1, 0],
            'prices' => [75, 75],
            'price' => 170,
            'supp' => 20,
        ],
    ],
];


$result = [];
foreach (array_merge(...$array) as $row) {
    foreach ($row as $k => $v) {
        $result[$k] = ($result[$k] ?? 0) + array_sum((array) $v);
    }
}
var_export($result);

Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: array ( 'num_rooms' => 5, 'adults' => 5, 'children' => 1, 'prices' => 350, 'price' => 450, 'supp' => 100, )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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