Online PHP editor | output for tKV4h

@ 2021-06-25T12:41:30Z

<?php


function getValueRecursive(array $array, ...$keys) {
    foreach ($keys as $key) {
        if (!key_exists($key, $array)) {
            throw new Exception('key path invalid');
        }
        $array = $array[$key];
    }
    return $array;
}

$foo = [
    'a' => [
        'b' => [
            'c' => "Hallo Welt!"
        ]
    ]
];

try {
    var_export(getValueRecursive($foo, 'a', 'b', 'c'));
    echo "\n---\n";
    var_export(getValueRecursive($foo, 'a', 'b'));
    echo "\n---\n";
    var_export(getValueRecursive($foo, 0, 'b', 'c'));
} catch (Exception $e) {
    echo 'Caught exception: ' .  $e->getMessage();
}

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12: 'Hallo Welt!' --- array ( 'c' => 'Hallo Welt!', ) --- Caught exception: key path invalid
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 'Hallo Welt!' --- array ( 'c' => 'Hallo Welt!', ) --- Caught exception: key path invalid

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