/**
* Generate a cache ID based on action keys.
*
* @param OutgoingMessage $action The action
* @param string $prefix Cache ID prefix
*
* @return string
*/
protected function generateCacheId(OutgoingMessage $action, $prefix = '')
{
$removeKeys = ['actionid'];
$keys = $action->getKeys();
$keys = array_diff_key($keys, array_flip($removeKeys));
$variables = $action->getVariables();
$variables = is_array($variables) ? $variables : [];
ksort($keys);
ksort($variables);
return md5($prefix . json_encode(array_merge($keys, $variables)));
}
