Icicle\Http\Message\Message::withAddedHeader PHP Метод

Returns a new instance with the given value added to the named header. If the header did not exist, the header is created with the given value.

public withAddedHeader ( string $name, string \| string[] $value ) : Icicle\Http\Message\Message
$name	string
$value	string \| string[]
Результат	Icicle\Http\Message\Message

    public function withAddedHeader(string $name, $value) : Message;

Message