Online PHP editor | output for ajiLl

@ 2023-02-22T04:06:57Z

<?php

$myarray = [
    [
        'messageId' => '5ACE9D8841',
        'sender' => 'john@doe.com'
    ],
    [
        'messageId' => '7EE67D8170',
        'sender' => 'dan@doe.com'
    ],
    [
        'messageId' => '8095FD8836',
        'sender' => 'cat@doe.com'
    ],
    [
        'messageId' => '7EE67D8170',
        'dest' => 'mitch@doe.com',
        'status' => 'sent',
        'date' => '2021-02-01 11:06:55'
    ]
];

$result = [];
foreach ($myarray as $row) {
    if (!isset($ref[$row['messageId']])) {
        $ref[$row['messageId']] = $row;
        $result[] = &$ref[$row['messageId']];
    } else {
        $ref[$row['messageId']] += $row;
    }
}
var_export($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 ( 'messageId' => '5ACE9D8841', 'sender' => 'john@doe.com', ), 1 => array ( 'messageId' => '7EE67D8170', 'sender' => 'dan@doe.com', 'dest' => 'mitch@doe.com', 'status' => 'sent', 'date' => '2021-02-01 11:06:55', ), 2 => array ( 'messageId' => '8095FD8836', 'sender' => 'cat@doe.com', ), )
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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