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<?php /** * This file is part of CodeIgniter 4 framework. * * (c) CodeIgniter Foundation <admin@codeigniter.com> * * For the full copyright and license information, please view * the LICENSE file that was distributed with this source code. */ namespace CodeIgniter\HTTP; /** * An HTTP message */ class Message implements MessageInterface { use MessageTrait; /** * Protocol version * * @var string */ protected $protocolVersion; /** * List of valid protocol versions * * @var array */ protected $validProtocolVersions = [ '1.0', '1.1', '2.0', ]; /** * Message body * * @var string|null */ protected $body; /** * Returns the Message's body. * * @return string|null */ public function getBody() { return $this->body; } /** * Returns an array containing all headers. * * @return array<string, Header> An array of the request headers * * @deprecated Use Message::headers() to make room for PSR-7 * * @codeCoverageIgnore */ public function getHeaders(): array { return $this->headers(); } /** * Returns a single header object. If multiple headers with the same * name exist, then will return an array of header objects. * * @return array|Header|null * * @deprecated Use Message::header() to make room for PSR-7 * * @codeCoverageIgnore */ public function getHeader(string $name) { return $this->header($name); } /** * Determines whether a header exists. */ public function hasHeader(string $name): bool { $origName = $this->getHeaderName($name); return isset($this->headers[$origName]); } /** * Retrieves a comma-separated string of the values for a single header. * * This method returns all of the header values of the given * case-insensitive header name as a string concatenated together using * a comma. * * NOTE: Not all header values may be appropriately represented using * comma concatenation. For such headers, use getHeader() instead * and supply your own delimiter when concatenating. */ public function getHeaderLine(string $name): string { $origName = $this->getHeaderName($name); if (! array_key_exists($origName, $this->headers)) { return ''; } return $this->headers[$origName]->getValueLine(); } /** * Returns the HTTP Protocol Version. */ public function getProtocolVersion(): string { return $this->protocolVersion ?? '1.1'; } }