MessageInterface.php
3 years ago
RequestInterface.php
3 years ago
ResponseInterface.php
3 years ago
ServerRequestInterface.php
3 years ago
StreamInterface.php
3 years ago
UploadedFileInterface.php
3 years ago
UriInterface.php
3 years ago
MessageInterface.php
178 lines
| 1 | <?php |
| 2 | |
| 3 | namespace IAWP\Psr\Http\Message; |
| 4 | |
| 5 | /** |
| 6 | * HTTP messages consist of requests from a client to a server and responses |
| 7 | * from a server to a client. This interface defines the methods common to |
| 8 | * each. |
| 9 | * |
| 10 | * Messages are considered immutable; all methods that might change state MUST |
| 11 | * be implemented such that they retain the internal state of the current |
| 12 | * message and return an instance that contains the changed state. |
| 13 | * |
| 14 | * @link http://www.ietf.org/rfc/rfc7230.txt |
| 15 | * @link http://www.ietf.org/rfc/rfc7231.txt |
| 16 | */ |
| 17 | interface MessageInterface |
| 18 | { |
| 19 | /** |
| 20 | * Retrieves the HTTP protocol version as a string. |
| 21 | * |
| 22 | * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0"). |
| 23 | * |
| 24 | * @return string HTTP protocol version. |
| 25 | */ |
| 26 | public function getProtocolVersion(); |
| 27 | /** |
| 28 | * Return an instance with the specified HTTP protocol version. |
| 29 | * |
| 30 | * The version string MUST contain only the HTTP version number (e.g., |
| 31 | * "1.1", "1.0"). |
| 32 | * |
| 33 | * This method MUST be implemented in such a way as to retain the |
| 34 | * immutability of the message, and MUST return an instance that has the |
| 35 | * new protocol version. |
| 36 | * |
| 37 | * @param string $version HTTP protocol version |
| 38 | * @return static |
| 39 | */ |
| 40 | public function withProtocolVersion($version); |
| 41 | /** |
| 42 | * Retrieves all message header values. |
| 43 | * |
| 44 | * The keys represent the header name as it will be sent over the wire, and |
| 45 | * each value is an array of strings associated with the header. |
| 46 | * |
| 47 | * // Represent the headers as a string |
| 48 | * foreach ($message->getHeaders() as $name => $values) { |
| 49 | * echo $name . ": " . implode(", ", $values); |
| 50 | * } |
| 51 | * |
| 52 | * // Emit headers iteratively: |
| 53 | * foreach ($message->getHeaders() as $name => $values) { |
| 54 | * foreach ($values as $value) { |
| 55 | * header(sprintf('%s: %s', $name, $value), false); |
| 56 | * } |
| 57 | * } |
| 58 | * |
| 59 | * While header names are not case-sensitive, getHeaders() will preserve the |
| 60 | * exact case in which headers were originally specified. |
| 61 | * |
| 62 | * @return string[][] Returns an associative array of the message's headers. Each |
| 63 | * key MUST be a header name, and each value MUST be an array of strings |
| 64 | * for that header. |
| 65 | */ |
| 66 | public function getHeaders(); |
| 67 | /** |
| 68 | * Checks if a header exists by the given case-insensitive name. |
| 69 | * |
| 70 | * @param string $name Case-insensitive header field name. |
| 71 | * @return bool Returns true if any header names match the given header |
| 72 | * name using a case-insensitive string comparison. Returns false if |
| 73 | * no matching header name is found in the message. |
| 74 | */ |
| 75 | public function hasHeader($name); |
| 76 | /** |
| 77 | * Retrieves a message header value by the given case-insensitive name. |
| 78 | * |
| 79 | * This method returns an array of all the header values of the given |
| 80 | * case-insensitive header name. |
| 81 | * |
| 82 | * If the header does not appear in the message, this method MUST return an |
| 83 | * empty array. |
| 84 | * |
| 85 | * @param string $name Case-insensitive header field name. |
| 86 | * @return string[] An array of string values as provided for the given |
| 87 | * header. If the header does not appear in the message, this method MUST |
| 88 | * return an empty array. |
| 89 | */ |
| 90 | public function getHeader($name); |
| 91 | /** |
| 92 | * Retrieves a comma-separated string of the values for a single header. |
| 93 | * |
| 94 | * This method returns all of the header values of the given |
| 95 | * case-insensitive header name as a string concatenated together using |
| 96 | * a comma. |
| 97 | * |
| 98 | * NOTE: Not all header values may be appropriately represented using |
| 99 | * comma concatenation. For such headers, use getHeader() instead |
| 100 | * and supply your own delimiter when concatenating. |
| 101 | * |
| 102 | * If the header does not appear in the message, this method MUST return |
| 103 | * an empty string. |
| 104 | * |
| 105 | * @param string $name Case-insensitive header field name. |
| 106 | * @return string A string of values as provided for the given header |
| 107 | * concatenated together using a comma. If the header does not appear in |
| 108 | * the message, this method MUST return an empty string. |
| 109 | */ |
| 110 | public function getHeaderLine($name); |
| 111 | /** |
| 112 | * Return an instance with the provided value replacing the specified header. |
| 113 | * |
| 114 | * While header names are case-insensitive, the casing of the header will |
| 115 | * be preserved by this function, and returned from getHeaders(). |
| 116 | * |
| 117 | * This method MUST be implemented in such a way as to retain the |
| 118 | * immutability of the message, and MUST return an instance that has the |
| 119 | * new and/or updated header and value. |
| 120 | * |
| 121 | * @param string $name Case-insensitive header field name. |
| 122 | * @param string|string[] $value Header value(s). |
| 123 | * @return static |
| 124 | * @throws \InvalidArgumentException for invalid header names or values. |
| 125 | */ |
| 126 | public function withHeader($name, $value); |
| 127 | /** |
| 128 | * Return an instance with the specified header appended with the given value. |
| 129 | * |
| 130 | * Existing values for the specified header will be maintained. The new |
| 131 | * value(s) will be appended to the existing list. If the header did not |
| 132 | * exist previously, it will be added. |
| 133 | * |
| 134 | * This method MUST be implemented in such a way as to retain the |
| 135 | * immutability of the message, and MUST return an instance that has the |
| 136 | * new header and/or value. |
| 137 | * |
| 138 | * @param string $name Case-insensitive header field name to add. |
| 139 | * @param string|string[] $value Header value(s). |
| 140 | * @return static |
| 141 | * @throws \InvalidArgumentException for invalid header names or values. |
| 142 | */ |
| 143 | public function withAddedHeader($name, $value); |
| 144 | /** |
| 145 | * Return an instance without the specified header. |
| 146 | * |
| 147 | * Header resolution MUST be done without case-sensitivity. |
| 148 | * |
| 149 | * This method MUST be implemented in such a way as to retain the |
| 150 | * immutability of the message, and MUST return an instance that removes |
| 151 | * the named header. |
| 152 | * |
| 153 | * @param string $name Case-insensitive header field name to remove. |
| 154 | * @return static |
| 155 | */ |
| 156 | public function withoutHeader($name); |
| 157 | /** |
| 158 | * Gets the body of the message. |
| 159 | * |
| 160 | * @return StreamInterface Returns the body as a stream. |
| 161 | */ |
| 162 | public function getBody(); |
| 163 | /** |
| 164 | * Return an instance with the specified message body. |
| 165 | * |
| 166 | * The body MUST be a StreamInterface object. |
| 167 | * |
| 168 | * This method MUST be implemented in such a way as to retain the |
| 169 | * immutability of the message, and MUST return a new instance that has the |
| 170 | * new body stream. |
| 171 | * |
| 172 | * @param StreamInterface $body Body. |
| 173 | * @return static |
| 174 | * @throws \InvalidArgumentException When the body is not valid. |
| 175 | */ |
| 176 | public function withBody(StreamInterface $body); |
| 177 | } |
| 178 |