3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-10-31T12:08:32Z

<?php

define('SECRET', 'private-key');

$payload = [
    "id" => 1,
    "username" => "test@example.com",
    "created_at" => "2018-10-11 13:30:29",
    "updated_at" => "2018-10-17 11:17:14"
];

echo verifySignature(SECRET, 'https://example.com/webhook', $payload, 1517949000);

function verifySignature(string $secret, string $webhookUrl, array $payload, int $timestamp): string
{
    $jsonPayload = json_encode($payload);

    $stringToSign  = "NORDWL-HMAC-SHA256\n";
    $stringToSign .= sprintf("Timestamp %d\n", $timestamp);
    $stringToSign .= hash('sha256', $jsonPayload);

    $timestampKey = hash_hmac('sha256', $timestamp, 'NORDWL' . $secret, true);
    $signingKey = hash_hmac('sha256', $webhookUrl, $timestampKey, true);

    return hash_hmac('sha256', $stringToSign, $signingKey);
}

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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: 61994df60c552042e781c3c1acf5100d553647c668c1ef230bf8be585b8cff0c
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 61994df60c552042e781c3c1acf5100d553647c668c1ef230bf8be585b8cff0c
Output for 5.6.38: Parse error: syntax error, unexpected ':', expecting '{' in /in/1rvX5 on line 14
Process exited with code 255.

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