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Long Term Support Release
Differences Between: [Versions 401 and 403]
1 <?php 2 3 namespace Psr\Http\Message; 4 5 /** 6 * Representation of an outgoing, client-side request. 7 * 8 * Per the HTTP specification, this interface includes properties for 9 * each of the following: 10 * 11 * - Protocol version 12 * - HTTP method 13 * - URI 14 * - Headers 15 * - Message body 16 * 17 * During construction, implementations MUST attempt to set the Host header from 18 * a provided URI if no Host header is provided. 19 * 20 * Requests are considered immutable; all methods that might change state MUST 21 * be implemented such that they retain the internal state of the current 22 * message and return an instance that contains the changed state. 23 */ 24 interface RequestInterface extends MessageInterface 25 { 26 /** 27 * Retrieves the message's request target. 28 * 29 * Retrieves the message's request-target either as it will appear (for 30 * clients), as it appeared at request (for servers), or as it was 31 * specified for the instance (see withRequestTarget()). 32 * 33 * In most cases, this will be the origin-form of the composed URI, 34 * unless a value was provided to the concrete implementation (see 35 * withRequestTarget() below). 36 * 37 * If no URI is available, and no request-target has been specifically 38 * provided, this method MUST return the string "/". 39 * 40 * @return string 41 */ 42 public function getRequestTarget(); 43 44 /** 45 * Return an instance with the specific request-target. 46 * 47 * If the request needs a non-origin-form request-target — e.g., for 48 * specifying an absolute-form, authority-form, or asterisk-form — 49 * this method may be used to create an instance with the specified 50 * request-target, verbatim. 51 * 52 * This method MUST be implemented in such a way as to retain the 53 * immutability of the message, and MUST return an instance that has the 54 * changed request target. 55 * 56 * @link http://tools.ietf.org/html/rfc7230#section-5.3 (for the various 57 * request-target forms allowed in request messages) 58 * @param mixed $requestTarget 59 * @return static 60 */ 61 public function withRequestTarget($requestTarget); 62 63 /** 64 * Retrieves the HTTP method of the request. 65 * 66 * @return string Returns the request method. 67 */ 68 public function getMethod(); 69 70 /** 71 * Return an instance with the provided HTTP method. 72 * 73 * While HTTP method names are typically all uppercase characters, HTTP 74 * method names are case-sensitive and thus implementations SHOULD NOT 75 * modify the given string. 76 * 77 * This method MUST be implemented in such a way as to retain the 78 * immutability of the message, and MUST return an instance that has the 79 * changed request method. 80 * 81 * @param string $method Case-sensitive method. 82 * @return static 83 * @throws \InvalidArgumentException for invalid HTTP methods. 84 */ 85 public function withMethod($method); 86 87 /** 88 * Retrieves the URI instance. 89 * 90 * This method MUST return a UriInterface instance. 91 * 92 * @link http://tools.ietf.org/html/rfc3986#section-4.3 93 * @return UriInterface Returns a UriInterface instance 94 * representing the URI of the request. 95 */ 96 public function getUri(); 97 98 /** 99 * Returns an instance with the provided URI. 100 * 101 * This method MUST update the Host header of the returned request by 102 * default if the URI contains a host component. If the URI does not 103 * contain a host component, any pre-existing Host header MUST be carried 104 * over to the returned request. 105 * 106 * You can opt-in to preserving the original state of the Host header by 107 * setting `$preserveHost` to `true`. When `$preserveHost` is set to 108 * `true`, this method interacts with the Host header in the following ways: 109 * 110 * - If the Host header is missing or empty, and the new URI contains 111 * a host component, this method MUST update the Host header in the returned 112 * request. 113 * - If the Host header is missing or empty, and the new URI does not contain a 114 * host component, this method MUST NOT update the Host header in the returned 115 * request. 116 * - If a Host header is present and non-empty, this method MUST NOT update 117 * the Host header in the returned request. 118 * 119 * This method MUST be implemented in such a way as to retain the 120 * immutability of the message, and MUST return an instance that has the 121 * new UriInterface instance. 122 * 123 * @link http://tools.ietf.org/html/rfc3986#section-4.3 124 * @param UriInterface $uri New request URI to use. 125 * @param bool $preserveHost Preserve the original state of the Host header. 126 * @return static 127 */ 128 public function withUri(UriInterface $uri, $preserveHost = false); 129 }
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