Online PHP editor | output for nuDho

@ 2023-01-24T19:57:35Z

<?php

$array = [
    "53" => "q",
    "61" => "f",
    "74" => "s",
    "87" => "C",
    "19" => "D",
    "101" => "e",
    "22" => "C",
    "13" => "h"
];

$whitelist = array_fill_keys(['C', 'D'], 0);
$result = [];
foreach ($array as $k => $v) {
    if (isset($whitelist[$v])) {
        if ($whitelist[$v]) {
            break;
        }
        ++$whitelist[$v];
    }
    if (array_sum($whitelist)) {
        $result[] = $k;
    }
}
var_export($result);

Output for 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, 8.4.16, 8.5.0 - 8.5.1: array ( 0 => 87, 1 => 19, 2 => 101, )
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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