Online PHP editor | output for uAROF

@ 2021-09-22T06:05:52Z

<?php

$myData = [
    'config' => [
        'google' => [
            'api' => [
                'key'=> 'secret',
            ]
        ]
    ]
];

echo dotToIndex($myData, "config.google.api.key");

function dotToIndex($array, $string) {
    $parts = explode('.', $string);
    $element = $array;
    foreach ($parts as $part) {
        $element = $element[$part];
    }
    return $element;
}

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 - 8.3.27, 8.4.1 - 8.4.14: secret
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 secret

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