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@ 2016-01-18T11:22:12Z

<?php
$secret="rfig34r8gw4i3ve49hfvowgrv9wu3robwer";
$signed = "LgW-AUQF8gdSfmrGTb3rGUJxzH-3Lck2K0hDMO_d-Fg.eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiIsImlzc3VlZF9hdCI6MTQ1MzExNjAwMiwicGFnZSI6eyJpZCI6IjM4MTM5OTczMDgyNyIsImFkbWluIjp0cnVlLCJsaWtlZCI6dHJ1ZX0sInVzZXIiOnsiY291bnRyeSI6ImdiIiwibG9jYWxlIjoiZW5fR0IiLCJhZ2UiOnsibWluIjoyMX19fQ";

list($encoded_sig, $payload) = explode('.', $signed_request, 2);

// decode the data
$sig = self::base64_url_decode($encoded_sig);
$data = json_decode(self::base64_url_decode($payload), true);

if (strtoupper($data['algorithm']) !== 'HMAC-SHA256') {
    die('Unknown algorithm. Expected HMAC-SHA256');
}

// check sig
$expected_sig = hash_hmac('sha256', $payload, $secret, $raw = true);
if ($sig !== $expected_sig) {
    die('Bad Signed JSON signature!');
}

print_r($data);

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined variable $signed_request in /in/MnUIM on line 5 Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /in/MnUIM on line 5 Warning: Undefined array key 1 in /in/MnUIM on line 5 Fatal error: Uncaught Error: Cannot access "self" when no class scope is active in /in/MnUIM:8 Stack trace: #0 {main} thrown in /in/MnUIM on line 8
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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