/** * Returns a normalized URI. * * The scheme and host component are already normalized to lowercase per PSR-7 UriInterface. * This methods adds additional normalizations that can be configured with the $flags parameter. * * PSR-7 UriInterface cannot distinguish between an empty component and a missing component as * getQuery(), getFragment() etc. always return a string. This means the URIs "/?#" and "/" are * treated equivalent which is not necessarily true according to RFC 3986. But that difference * is highly uncommon in reality. So this potential normalization is implied in PSR-7 as well. * * @param UriInterface $uri The URI to normalize * @param int $flags A bitmask of normalizations to apply, see constants * * @return UriInterface The normalized URI * @link https://tools.ietf.org/html/rfc3986#section-6.2 */ public static function normalize(UriInterface $uri, $flags = self::PRESERVING_NORMALIZATIONS) { if ($flags & self::CAPITALIZE_PERCENT_ENCODING) { $uri = self::capitalizePercentEncoding($uri); } if ($flags & self::DECODE_UNRESERVED_CHARACTERS) { $uri = self::decodeUnreservedCharacters($uri); } if ($flags & self::CONVERT_EMPTY_PATH && $uri->getPath() === '' && ($uri->getScheme() === 'http' || $uri->getScheme() === 'https')) { $uri = $uri->withPath('/'); } if ($flags & self::REMOVE_DEFAULT_HOST && $uri->getScheme() === 'file' && $uri->getHost() === 'localhost') { $uri = $uri->withHost(''); } if ($flags & self::REMOVE_DEFAULT_PORT && $uri->getPort() !== null && Uri::isDefaultPort($uri)) { $uri = $uri->withPort(null); } if ($flags & self::REMOVE_DOT_SEGMENTS && !Uri::isRelativePathReference($uri)) { $uri = $uri->withPath(UriResolver::removeDotSegments($uri->getPath())); } if ($flags & self::REMOVE_DUPLICATE_SLASHES) { $uri = $uri->withPath(preg_replace('#//++#', '/', $uri->getPath())); } if ($flags & self::SORT_QUERY_PARAMETERS && $uri->getQuery() !== '') { $queryKeyValues = explode('&', $uri->getQuery()); sort($queryKeyValues); $uri = $uri->withQuery(implode('&', $queryKeyValues)); } return $uri; }
/** * Removes dot segments from a path and returns the new path. * * @param string $path * * @return string * * @deprecated since version 1.4. Use UriResolver::removeDotSegments instead. * @see UriResolver::removeDotSegments */ public static function removeDotSegments($path) { return UriResolver::removeDotSegments($path); }