WordPress Version: 3.7
function is_client_error($sc)
{
return $sc >= 400 && $sc < 500;
}The timeline below displays how wordpress function is_client_error has changed across different WordPress versions. If a version is not listed, refer to the next available version below.
function is_client_error($sc)
{
return $sc >= 400 && $sc < 500;
}