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@ 2022-08-11T09:04:26Z

<?php

$array1 = [
    ["B00CEEZ57S"],
    ["B002QJZADK"],
    ["B001EHL2UK"],
    ["B003FSTNB6"],
];

$array2 = [
    [
        "name" => "Jonathan Franzen: Purity (Hardcover); 2015 Edition",
        "ASIN" => "B002QJZADK"
    ],
    [
        "name" => "Cardinal Gates Outdoor Child Safety Gate, Brown",
        "ASIN" => "B00CE8C7SO"
    ],
    [
        "name" => "Sauder Edge Water 71.88\" Bookcase Estate Black Finish",
        "ASIN" => "B001EHL2UK"
    ],
    [
        "name" => "The Pioneer Woman 82695.03R Cowboy Rustic 8\" Rosewood Handle Can Opener, Scis...",
        "ASIN" => "B015LU7GPU"
    ]
];

var_export(
    array_uintersect(
        $array2,
        $array1,
        fn($a, $b) =>
            ($a['ASIN'] ?? $a[0])
            <=>
            ($b['ASIN'] ?? $b[0])
    )
);

Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: array ( 0 => array ( 'name' => 'Jonathan Franzen: Purity (Hardcover); 2015 Edition', 'ASIN' => 'B002QJZADK', ), 2 => array ( 'name' => 'Sauder Edge Water 71.88" Bookcase Estate Black Finish', 'ASIN' => 'B001EHL2UK', ), )
Output for 7.3.31: Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ')' in /in/8OjATc on line 33
Process exited with code 255.

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91.14 ms | 407 KiB | 5 Q