#http\Cookie http\Cookie::setExtra(string $extra_name[, string $extra_value = NULL])

(Re)set an extra attribute. See http\Cookie::addExtra().

NOTE:
The attribute will be removed from the extras list if $extra_value is NULL.

Params:#

• string $extra_name#
  The key of the extra attribute.
• Optional string $extra_value#
  The value of the extra attribute.

Returns:#

• http\Cookie, self.

Throws:#

• http\Exception\InvalidArgumentException