Online PHP editor | output for hp1Te

@ 2023-03-19T21:43:54Z

<?php

$array = [
    ['city' => 'NewYork', 'cash' => '1000'],
    ['city' => 'Philadelphia', 'cash' => '2300'],
    ['city' => 'NewYork', 'cash' => '2000']
];

var_export(
    array_reduce(
        $array,
        function($result, $row) {
            static $ref;
            if (!isset($ref[$row['city']])) {
                $ref[$row['city']] = $row;
                $result[] = &$ref[$row['city']];
            } else {
                $ref[$row['city']]['cash'] += $row['cash'];
            }
            return $result;
        }
    )
);

Output for 8.0.1 - 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 ( 'city' => 'NewYork', 'cash' => 3000, ), 1 => array ( 'city' => 'Philadelphia', 'cash' => '2300', ), )
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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