gfosco

// The before save handler will pass information to the after save handler to disable the
//   after save handler from creating a loop.
// It also prevents client side code from triggering the silent change, by using a different flag
//   that the client should never see.
// It should only be visible in the data browser, won't be sent to a client in an undefined state.
Parse.Cloud.beforeSave('TestObject', function(request, response) {
  handleComingFromTask(request.object);
  response.success();
});

sandeepshetty

<?php

define('SHOPIFY_APP_SECRET', 'my_shared_secret');

function verify_webhook($data, $hmac_header)
{
	$calculated_hmac = base64_encode(hash_hmac('sha256', $data, SHOPIFY_APP_SECRET, true));
	return ($hmac_header == $calculated_hmac);
}