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<?php |
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/* |
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* This file is part of the Koded package. |
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* |
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* (c) Mihail Binev <[email protected]> |
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* |
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* Please view the LICENSE distributed with this source code |
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* for the full copyright and license information. |
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* |
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*/ |
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namespace Koded\Http; |
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use Koded\Http\Interfaces\{HttpStatus, Request, Response}; |
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/** |
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* Class ServerResponse |
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* |
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*/ |
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class ServerResponse implements Response, \JsonSerializable |
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{ |
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use HeaderTrait, MessageTrait, CookieTrait, JsonSerializeTrait; |
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private const E_CLIENT_RESPONSE_SEND = 'Cannot send the client response.'; |
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private const E_INVALID_STATUS_CODE = 'Invalid status code %s, expected range between [100-599]'; |
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protected int $statusCode = HttpStatus::OK; |
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protected string $reasonPhrase = 'OK'; |
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/** |
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* ServerResponse constructor. |
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* |
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* @param mixed $content [optional] |
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* @param int $statusCode [optional] |
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* @param array $headers [optional] |
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*/ |
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public function __construct(mixed $content = '', int $statusCode = HttpStatus::OK, array $headers = []) |
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{ |
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$this->setStatus($this, $statusCode); |
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$this->setHeaders($headers); |
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$this->stream = create_stream($content); |
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} |
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public function getStatusCode(): int |
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{ |
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return $this->statusCode; |
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} |
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public function withStatus($code, $reasonPhrase = ''): static |
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{ |
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return $this->setStatus(clone $this, (int)$code, (string)$reasonPhrase); |
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} |
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public function getReasonPhrase(): string |
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{ |
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return (string)$this->reasonPhrase; |
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} |
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public function getContentType(): string |
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{ |
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return $this->getHeaderLine('Content-Type') ?: 'text/html'; |
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} |
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2 |
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public function sendHeaders(): void |
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{ |
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$this->prepareResponse(); |
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if (false === headers_sent()) { |
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foreach ($this->getHeaders() as $name => $values) { |
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header($name . ':' . \join(',', (array)$values), false, $this->statusCode); |
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} |
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// Status header |
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header(\sprintf('HTTP/%s %d %s', |
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$this->getProtocolVersion(), |
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$this->getStatusCode(), |
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$this->getReasonPhrase()), |
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true, |
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$this->statusCode); |
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} |
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} |
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3 |
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public function sendBody(): string |
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{ |
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try { |
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return (string)$this->stream; |
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} finally { |
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$this->stream->close(); |
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} |
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} |
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public function send(): string |
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{ |
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$this->sendHeaders(); |
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return $this->sendBody(); |
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} |
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protected function setStatus(ServerResponse $instance, int $statusCode, string $reasonPhrase = ''): ServerResponse |
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{ |
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if ($statusCode < 100 || $statusCode > 599) { |
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throw new \InvalidArgumentException( |
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\sprintf(self::E_INVALID_STATUS_CODE, $statusCode), HttpStatus::UNPROCESSABLE_ENTITY |
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); |
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} |
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$instance->statusCode = (int)$statusCode; |
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$instance->reasonPhrase = $reasonPhrase ? (string)$reasonPhrase : StatusCode::CODE[$statusCode]; |
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return $instance; |
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} |
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protected function prepareResponse(): void |
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{ |
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if (\in_array($this->getStatusCode(), [100, 101, 102, 204, 304])) { |
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$this->stream = create_stream(null); |
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unset($this->headersMap['content-length'], $this->headers['Content-Length']); |
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unset($this->headersMap['content-type'], $this->headers['Content-Type']); |
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return; |
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} |
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if ($size = $this->stream->getSize()) { |
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$this->normalizeHeader('Content-Length', (string)$size, true); |
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} |
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$method = \strtoupper($_SERVER['REQUEST_METHOD'] ?? ''); |
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if (Request::HEAD === $method || Request::OPTIONS === $method) { |
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$this->stream = create_stream(null); |
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} |
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if ($this->hasHeader('Transfer-Encoding') || !$size) { |
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unset($this->headersMap['content-length'], $this->headers['Content-Length']); |
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} |
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} |
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} |
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kodedphp /
http
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
integervalues, zero is a special case, in particular the following results might be unexpected: