Online PHP editor | output for N8mAj

@ 2022-12-07T02:00:38Z

<?php

$array =[
    0 => [
        0 => "AUA3H147",
        1 => 2015,
        2 => 'Audi'
    ],
    1 => [
        0 => "AUA3H147",
        1 => 2015,
        2 => 'Ford'
    ],
    2 =>  [
        0 => "AUA3H148",
        1 => 2016,
        2 => 'Chevy'
    ],
    3 => [
        0 => "AUA3H148",
        1 => 2017,
        2 => 'Buick'
    ]
];

foreach ($array as $a) {
    $compositeKey = $a[0] . '_' . $a[1];
    $result[$compositeKey] ??= $a;      // only store if first occurrence of compositeKey
}
var_export(array_values($result));  // re-index and print

Output for 7.4.0, 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 - 8.5.1: array ( 0 => array ( 0 => 'AUA3H147', 1 => 2015, 2 => 'Audi', ), 1 => array ( 0 => 'AUA3H148', 1 => 2016, 2 => 'Chevy', ), 2 => array ( 0 => 'AUA3H148', 1 => 2017, 2 => 'Buick', ), )
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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