1: <?php
 2: /*
 3:  * Copyright (c) 2015 @trashtoy
 4:  * https://github.com/trashtoy/
 5:  * 
 6:  * Permission is hereby granted, free of charge, to any person obtaining a copy of
 7:  * this software and associated documentation files (the "Software"), to deal in
 8:  * the Software without restriction, including without limitation the rights to use,
 9:  * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
10:  * Software, and to permit persons to whom the Software is furnished to do so,
11:  * subject to the following conditions:
12:  * 
13:  * The above copyright notice and this permission notice shall be included in all
14:  * copies or substantial portions of the Software.
15:  * 
16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
18:  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
19:  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
20:  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21:  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22:  */
23: /**
24:  * PHP class file.
25:  * @auhtor trashtoy
26:  * @since  2.2.0
27:  */
28: namespace Peach\Http;
29: 
30: /**
31:  * HTTP メッセージ内に 1 つだけ存在できるヘッダーフィールドです.
32:  * HTTP/1.1 で定義されているヘッダーフィールドのうち "Set-Cookie" を除くすべてのヘッダーフィールドが該当します.
33:  */
34: interface SingleHeaderField extends HeaderField
35: {
36:     /**
37:      * このヘッダーフィールドの値を返します.
38:      * 
39:      * @return mixed
40:      */
41:     public function getValue();
42:     
43:     /**
44:      * このヘッダーフィールドのヘッダー値を書式化します.
45:      * 
46:      * @return string
47:      */
48:     public function format();
49: }
50: