deprecate($where, $what, $throw_error = false, $text = '`%s` param is deprecated, replace it with the appropriate setter.')
  if $what in $where
    if $throw_error
      error('' + ($text % $what))
    else
      warn('' + ($text % $what))

deprecate_removed($where, $what)
  deprecate($where, $what, true, '`%s` param was deprecated and removed, replace it with the appropriate setter.')