Online PHP editor | output for 2Sbcv

<?php $request = 'POST'; $url = '/1.0/wix/site-events'; $headers = array( 'x-wix-event-type' => '/provision/provision', 'x-wix-timestamp' => '2013-09-30T10:46:38.993Z', 'x-wix-signature' => 'BX1AQrO4IxNuwMIOhYiuiH0nrk-F8pamGgk6Oe7S82I', 'x-wix-application-id' => '1306dc69-eb2f-493d-fc98-f4e693829367', 'x-wix-instance-id'=> '1328a7fe-e451-8780-d201-0c5d9a1fc02b', 'x-wix-event-id'=> '2cdae256-750f-4cc8-bbde-b35018bf8ceb' ); $body = '{"instance-id":"1328a7fe-e451-8780-d201-0c5d9a1fc02b"}'; $key = "8bbb74b1-8864-47b3-804f-04925bf3ffba"; function concat($request, $url, $headers, $body) { $result = ''; $result .= $request; $result .= "\n"; $result .= $url; $result .= "\n"; ksort($headers); foreach ($headers as $header) { if ($header != 'x-wix-signature') { $result = $result . $header . ','; } } $result = $result . "\n" . $body; return $result; } $concat = concat($request, $url, $headers, $body); $encrypted = hash_hmac('sha256', $concat, $key); //$base64 = base64_encode($encrypted); echo "The computed signature is : " . $encrypted . "<br/>"; echo "The signature sent by Wix : " . $headers['x-wix-signature'];