Git-hub Web hook - PHP

githubPostReceive.php

<?php

// Content Type: application/json

$time = time();

$secret = '<your-secret-here>';

$headers = getallheaders();
$hubSignature = @$headers['X-Hub-Signature'];

if ($hubSignature != '')
{
	list($algo, $hash) = @explode('=', $hubSignature, 2);

	$payload = file_get_contents('php://input');

	if (isset($algo) and isset($hash))
	{

		if ($algo != '' and $hash != '')
		{
			$payloadHash = hash_hmac($algo, $payload, $secret);
		}
		else
		{
			die('Bad request');
		}

		if ($hash !== $payloadHash)
		{
			die('Bad request');
		}
	}
	else
	{
		die('Bad request');
	}
}
else
{
	die('Bad request');
}

echo "Webhook received.\nTimestamp: {$time}\n--- start ---";

$data = json_decode($payload);

// process data

echo "\n\n--- done ---";

?>

/* on Success Response

    Webhook received.
    Timestamp: 1427803925
    --- start ---

    --- done ---
*/