Online PHP editor | output for BGM9A

@ 2021-09-22T17:46:13Z

<?php

function compare2D($topic, $nomination): int
{
    if (is_array($nomination)) {
        return in_array($topic, $nomination) ? 1 : 0;
    }
    if (is_array($topic)) {
        return in_array($nomination, $topic) ? 1 : 0;
    }
    
    return strcmp($topic, $nomination) === 0 ? 1 : 0;
}

$topic = ['SECURE', 'REMOTE', 'test3'];
$arr  = [['REMOTE', 'REMOTE_PREMIUM'], 'SECURE', ['test1', ['test2', 'test3']]];

$res = array_uintersect($topic, $arr, 'compare2D');
var_dump($res);

Output for 7.1.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: array(3) { [0]=> string(6) "SECURE" [1]=> string(6) "REMOTE" [2]=> string(5) "test3" }
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(3) { [0]=> string(6) "SECURE" [1]=> string(6) "REMOTE" [2]=> string(5) "test3" }

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