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<?php |
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/** |
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* Linna Psr7. |
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* |
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* @author Sebastian Rapetti <[email protected]> |
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* @copyright (c) 2018, Sebastian Rapetti |
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* @license http://opensource.org/licenses/MIT MIT License |
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*/ |
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declare(strict_types=1); |
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namespace Linna\Http\Message; |
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use InvalidArgumentException; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* HTTP Psr7 Response implementation. |
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*/ |
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class Response extends Message implements ResponseInterface |
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{ |
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/** |
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* Gets the response status code. |
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* |
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* The status code is a 3-digit integer result code of the server's attempt |
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* to understand and satisfy the request. |
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* |
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* @return int Status code. |
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*/ |
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public function getStatusCode(): int |
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{ |
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} |
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/** |
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* Return an instance with the specified status code and, optionally, reason phrase. |
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* |
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* If no reason phrase is specified, implementations MAY choose to default |
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* to the RFC 7231 or IANA recommended reason phrase for the response's |
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* status code. |
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* |
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* This method MUST be implemented in such a way as to retain the |
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* immutability of the message, and MUST return an instance that has the |
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* updated status and reason phrase. |
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* |
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* @link http://tools.ietf.org/html/rfc7231#section-6 |
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* @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml |
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* |
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* @param int $code The 3-digit integer result code to set. |
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* @param string $reasonPhrase The reason phrase to use with the provided status code; |
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* if none is provided, implementations MAY use the defaults |
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* as suggested in the HTTP specification. |
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* |
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* @return static |
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* |
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* @throws InvalidArgumentException For invalid status code arguments. |
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*/ |
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public function withStatus(int $code, string $reasonPhrase = ''): ResponseInterface |
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{ |
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} |
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/** |
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* Gets the response reason phrase associated with the status code. |
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* |
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* Because a reason phrase is not a required element in a response |
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* status line, the reason phrase value MAY be null. Implementations MAY |
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* choose to return the default RFC 7231 recommended reason phrase (or those |
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* listed in the IANA HTTP Status Code Registry) for the response's |
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* status code. |
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* |
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* @link http://tools.ietf.org/html/rfc7231#section-6 |
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* @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml |
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* |
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* @return string Reason phrase; must return an empty string if none present. |
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*/ |
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public function getReasonPhrase(): string |
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{ |
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} |
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} |
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For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: