Online PHP editor | output for K2Jsn

@ 2024-01-10T12:32:31Z

<?php

$array = [
    ['group' => 'Apple', 'num' => 5, 'price' => 10],
    ['group' => 'Apple', 'num' => 2, 'price' => 8],
    ['group' => 'Orange', 'num' => 4, 'price' => 6],
    ['group' => 'Orange', 'num' => 12, 'price' => 24],
];

$result = [];
foreach ($array as $row) {
    if (!isset($ref[$row['group']])) {
        $ref[$row['group']] = $row;
        $result[] =& $ref[$row['group']];
        continue;
    }
    $ref[$row['group']]['num'] += $row['num'];
    $ref[$row['group']]['price'] += $row['price'];
}
var_export($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, 8.4.16, 8.5.0 - 8.5.1: array ( 0 => array ( 'group' => 'Apple', 'num' => 7, 'price' => 18, ), 1 => array ( 'group' => 'Orange', 'num' => 16, 'price' => 30, ), )
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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