/**
* @param Request $request
* @param array $discard An array of keys to discard from the current get
* data.
*
* @return string
*/
public static function getGetRequestString(Request $request, array $discard = [])
{
$discardKeyed = array_fill_keys($discard, true);
$getVars = $request->getVariables();
$getVarsFiltered = array_diff_key($getVars, $discardKeyed);
return http_build_query($getVarsFiltered);
}
