Online PHP editor | output for GIX20

@ 2022-02-20T23:22:03Z

<?php

$array1 = array(
    array('ITEM' => 1),
    array('ITEM' => 2),
    array('ITEM' => 3),
);

$array2 = array(
    array('ITEMID' => 2),
    array('ITEMID' => 3),
    array('ITEMID' => 1),
    array('ITEMID' => 4),
);

// PHP7.4+ (arrow functions)
var_export(
    array_udiff($array2, $array1, fn($a, $b) => ($a['ITEM'] ?? $a['ITEMID']) <=> ($b['ITEM'] ?? $b['ITEMID']))
);

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 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: array ( 3 => array ( 'ITEMID' => 4, ), )
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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