name : UriInterface.php <?php namespace Psr\Http\Message; /** * Value object representing a URI. * * This interface is meant to represent URIs according to RFC 3986 and to * provide methods for most common operations. Additional functionality for * working with URIs can be provided on top of the interface or externally. * Its primary use is for HTTP requests, but may also be used in other * contexts. * * Instances of this interface are considered immutable; all methods that * might change state MUST be implemented such that they retain the internal * state of the current instance and return an instance that contains the * changed state. * * Typically the Host header will be also be present in the request message. * For server-side requests, the scheme will typically be discoverable in the * server parameters. * * @link http://tools.ietf.org/html/rfc3986 (the URI specification) */ interface UriInterface { /** * Retrieve the scheme component of the URI. * * If no scheme is present, this method MUST return an empty string. * * The value returned MUST be normalized to lowercase, per RFC 3986 * Section 3.1. * * The trailing ":" character is not part of the scheme and MUST NOT be * added. * * @see https://tools.ietf.org/html/rfc3986#section-3.1 * @return string The URI scheme. */ public function getScheme(): string; /** * Retrieve the authority component of the URI. * * If no authority information is present, this method MUST return an empty * string. * * The authority syntax of the URI is: * * <pre> * [user-info@]host[:port] * </pre> * * If the port component is not set or is the standard port for the current * scheme, it SHOULD NOT be included. * * @see https://tools.ietf.org/html/rfc3986#section-3.2 * @return string The URI authority, in "[user-info@]host[:port]" format. */ public function getAuthority(): string; /** * Retrieve the user information component of the URI. * * If no user information is present, this method MUST return an empty * string. * * If a user is present in the URI, this will return that value; * additionally, if the password is also present, it will be appended to the * user value, with a colon (":") separating the values. * * The trailing "@" character is not part of the user information and MUST * NOT be added. * * @return string The URI user information, in "username[:password]" format. */ public function getUserInfo(): string; /** * Retrieve the host component of the URI. * * If no host is present, this method MUST return an empty string. * * The value returned MUST be normalized to lowercase, per RFC 3986 * Section 3.2.2. * * @see http://tools.ietf.org/html/rfc3986#section-3.2.2 * @return string The URI host. */ public function getHost(): string; /** * Retrieve the port component of the URI. * * If a port is present, and it is non-standard for the current scheme, * this method MUST return it as an integer. If the port is the standard port * used with the current scheme, this method SHOULD return null. * * If no port is present, and no scheme is present, this method MUST return * a null value. * * If no port is present, but a scheme is present, this method MAY return * the standard port for that scheme, but SHOULD return null. * * @return null|int The URI port. */ public function getPort(): ?int; /** * Retrieve the path component of the URI. * * The path can either be empty or absolute (starting with a slash) or * rootless (not starting with a slash). Implementations MUST support all * three syntaxes. * * Normally, the empty path "" and absolute path "/" are considered equal as * defined in RFC 7230 Section 2.7.3. But this method MUST NOT automatically * do this normalization because in contexts with a trimmed base path, e.g. * the front controller, this difference becomes significant. It's the task * of the user to handle both "" and "/". * * The value returned MUST be percent-encoded, but MUST NOT double-encode * any characters. To determine what characters to encode, please refer to * RFC 3986, Sections 2 and 3.3. * * As an example, if the value should include a slash ("/") not intended as * delimiter between path segments, that value MUST be passed in encoded * form (e.g., "%2F") to the instance. * * @see https://tools.ietf.org/html/rfc3986#section-2 * @see https://tools.ietf.org/html/rfc3986#section-3.3 * @return string The URI path. */ public function getPath(): string; /** * Retrieve the query string of the URI. * * If no query string is present, this method MUST return an empty string. * * The leading "?" character is not part of the query and MUST NOT be * added. * * The value returned MUST be percent-encoded, but MUST NOT double-encode * any characters. To determine what characters to encode, please refer to * RFC 3986, Sections 2 and 3.4. * * As an example, if a value in a key/value pair of the query string should * include an ampersand ("&") not intended as a delimiter between values, * that value MUST be passed in encoded form (e.g., "%26") to the instance. * * @see https://tools.ietf.org/html/rfc3986#section-2 * @see https://tools.ietf.org/html/rfc3986#section-3.4 * @return string The URI query string. */ public function getQuery(): string; /** * Retrieve the fragment component of the URI. * * If no fragment is present, this method MUST return an empty string. * * The leading "#" character is not part of the fragment and MUST NOT be * added. * * The value returned MUST be percent-encoded, but MUST NOT double-encode * any characters. To determine what characters to encode, please refer to * RFC 3986, Sections 2 and 3.5. * * @see https://tools.ietf.org/html/rfc3986#section-2 * @see https://tools.ietf.org/html/rfc3986#section-3.5 * @return string The URI fragment. */ public function getFragment(): string; /** * Return an instance with the specified scheme. * * This method MUST retain the state of the current instance, and return * an instance that contains the specified scheme. * * Implementations MUST support the schemes "http" and "https" case * insensitively, and MAY accommodate other schemes if required. * * An empty scheme is equivalent to removing the scheme. * * @param string $scheme The scheme to use with the new instance. * @return static A new instance with the specified scheme. * @throws \InvalidArgumentException for invalid or unsupported schemes. */ public function withScheme(string $scheme): UriInterface; /** * Return an instance with the specified user information. * * This method MUST retain the state of the current instance, and return * an instance that contains the specified user information. * * Password is optional, but the user information MUST include the * user; an empty string for the user is equivalent to removing user * information. * * @param string $user The user name to use for authority. * @param null|string $password The password associated with $user. * @return static A new instance with the specified user information. */ public function withUserInfo(string $user, ?string $password = null): UriInterface; /** * Return an instance with the specified host. * * This method MUST retain the state of the current instance, and return * an instance that contains the specified host. * * An empty host value is equivalent to removing the host. * * @param string $host The hostname to use with the new instance. * @return static A new instance with the specified host. * @throws \InvalidArgumentException for invalid hostnames. */ public function withHost(string $host): UriInterface; /** * Return an instance with the specified port. * * This method MUST retain the state of the current instance, and return * an instance that contains the specified port. * * Implementations MUST raise an exception for ports outside the * established TCP and UDP port ranges. * * A null value provided for the port is equivalent to removing the port * information. * * @param null|int $port The port to use with the new instance; a null value * removes the port information. * @return static A new instance with the specified port. * @throws \InvalidArgumentException for invalid ports. */ public function withPort(?int $port): UriInterface; /** * Return an instance with the specified path. * * This method MUST retain the state of the current instance, and return * an instance that contains the specified path. * * The path can either be empty or absolute (starting with a slash) or * rootless (not starting with a slash). Implementations MUST support all * three syntaxes. * * If the path is intended to be domain-relative rather than path relative then * it must begin with a slash ("/"). Paths not starting with a slash ("/") * are assumed to be relative to some base path known to the application or * consumer. * * Users can provide both encoded and decoded path characters. * Implementations ensure the correct encoding as outlined in getPath(). * * @param string $path The path to use with the new instance. * @return static A new instance with the specified path. * @throws \InvalidArgumentException for invalid paths. */ public function withPath(string $path): UriInterface; /** * Return an instance with the specified query string. * * This method MUST retain the state of the current instance, and return * an instance that contains the specified query string. * * Users can provide both encoded and decoded query characters. * Implementations ensure the correct encoding as outlined in getQuery(). * * An empty query string value is equivalent to removing the query string. * * @param string $query The query string to use with the new instance. * @return static A new instance with the specified query string. * @throws \InvalidArgumentException for invalid query strings. */ public function withQuery(string $query): UriInterface; /** * Return an instance with the specified URI fragment. * * This method MUST retain the state of the current instance, and return * an instance that contains the specified URI fragment. * * Users can provide both encoded and decoded fragment characters. * Implementations ensure the correct encoding as outlined in getFragment(). * * An empty fragment value is equivalent to removing the fragment. * * @param string $fragment The fragment to use with the new instance. * @return static A new instance with the specified fragment. */ public function withFragment(string $fragment): UriInterface; /** * Return the string representation as a URI reference. * * Depending on which components of the URI are present, the resulting * string is either a full URI or relative reference according to RFC 3986, * Section 4.1. The method concatenates the various components of the URI, * using the appropriate delimiters: * * - If a scheme is present, it MUST be suffixed by ":". * - If an authority is present, it MUST be prefixed by "//". * - The path can be concatenated without delimiters. But there are two * cases where the path has to be adjusted to make the URI reference * valid as PHP does not allow to throw an exception in __toString(): * - If the path is rootless and an authority is present, the path MUST * be prefixed by "/". * - If the path is starting with more than one "/" and no authority is * present, the starting slashes MUST be reduced to one. * - If a query is present, it MUST be prefixed by "?". * - If a fragment is present, it MUST be prefixed by "#". * * @see http://tools.ietf.org/html/rfc3986#section-4.1 * @return string */ public function __toString(): string; }