Online PHP editor | output for 8TPZq

@ 2024-10-20T20:05:42Z

<?php

$payloads = [
    'a' => [null, null, null, null, null],
    'b' => [null, null, 1, null, null]
];

foreach ($payloads as $key => $payload) {
    printf(
        "%s: %s, %s, %s\n",
        $key,
        var_export(
            array_reduce(
                $payload,
                fn($acc, $v) => $acc && $v === null,
                true
            ),
            true
        ),
        var_export(
            !array_filter(
                $payload,
                fn($v) => $v !== null
            ),
            true
        ),
        var_export(
            $payload === array_filter($payload, 'is_null'),
            true
        )
    );
}

Output for 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: a: true, true, true b: false, false, false
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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