Online PHP editor | output for CfkQs

@ 2015-09-30T23:31:03Z

<?php
// Spoke

$key = 'This is the key';
$secret = "TRUSTNO1";

$request = array(
  'license' => $key,
  'authentication' => hash_hmac('sha256', $key, $secret),
);
?>



<?php
// Hub
$key_index = array(
    'This is the key' => 'TRUSTNO1'
);

if ($auth = $request['authentication']) {
    
    if ($key = $request['license'] && $secret = $key_index['secret']) {
        $new_hash = hash_hmac('sha256', $key, $secret);
        if (hash_compare($new_hash, $auth)) {
            var_dump('Authenticated.');
        } else {
            var_dump('Not authenticated');
        }
    }
}

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Warning: Undefined array key "secret" in /in/CfkQs on line 23
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 Warning: Undefined array key "secret" in /in/CfkQs on line 23
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined index: secret in /in/CfkQs on line 23
Output for 7.3.32 - 7.3.33

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