Online PHP editor | output for iZZ4m

@ 2018-06-11T15:59:59Z

<?php

$array = [
    ["Reservation" => ["adult_price" => 200, "adult_count" => 2]],
    ["Reservation" => ["adult_price" => 200, "adult_count" => 1]],
    ["Reservation" => ["adult_price" => 300, "adult_count" => 1]],
    ["Reservation" => ["adult_price" => 200, "adult_count" => 1]],
];

$grouped = [];

foreach ($array as $item) {
    $item = $item["Reservation"];
    $currentValue = isset($grouped[$item["adult_price"]]) ? $grouped[$item["adult_price"]] : 0;
    $grouped[$item["adult_price"]] = $currentValue + $item["adult_count"];
}

$buildArray = [];

foreach ($grouped as $price => $count) {
    $buildArray[] = ["Reservation" => ["adult_price" => $price, "adult_count" => $count]];
}

print_r($buildArray);

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 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: Array ( [0] => Array ( [Reservation] => Array ( [adult_price] => 200 [adult_count] => 4 ) ) [1] => Array ( [Reservation] => Array ( [adult_price] => 300 [adult_count] => 1 ) ) )
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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