Online PHP editor | output for seLQX

@ 2023-12-19T06:12:35Z

<?php

$array = [
    ['Adams',   'King Street 12',   '14:25', 'Heart Attack'],
    ['Ellis',   'Vine Street 4',    '02:48', 'Broken Leg'],
    ['Adams',   'Parker Street 43', '20:10', 'Heart Attack'],
    ['Neil',    'Jack Street 9',    '12:25', 'Broken Heart'],
    ['Colin',   'Queen Street 18',  '05:48', 'Restless Leg'],
    ['Artemis', 'First Street 1',   '10:17', 'Broken Leg'],
    ['Rufus',   'Long Street 5',    '11:11', 'Dog Attack'],
];

$result = [];
foreach ($array as $row) {
    if (isset($result[$row[3]])) {
        $result[$row[3]][] = $row;
    } elseif (isset($first[$row[3]])) {
        $result[$row[3]] = [$first[$row[3]], $row];
    } else {
        $first[$row[3]] = $row;
    }
}
var_export($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 ( 'Heart Attack' => array ( 0 => array ( 0 => 'Adams', 1 => 'King Street 12', 2 => '14:25', 3 => 'Heart Attack', ), 1 => array ( 0 => 'Adams', 1 => 'Parker Street 43', 2 => '20:10', 3 => 'Heart Attack', ), ), 'Broken Leg' => array ( 0 => array ( 0 => 'Ellis', 1 => 'Vine Street 4', 2 => '02:48', 3 => 'Broken Leg', ), 1 => array ( 0 => 'Artemis', 1 => 'First Street 1', 2 => '10:17', 3 => 'Broken Leg', ), ), )
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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