8  * Resolves a URI reference in the context of a base URI and the opposite way.
56      * Converts the relative URI into a new URI that is resolved against the base URI.
58      * @param UriInterface $base Base URI
65     public static function resolve(UriInterface $base, UriInterface $rel)  argument
68             // we can simply return the same base URI instance for this same-document reference
69             return $base;
81             $targetAuthority = $base->getAuthority();
83                 $targetPath = $base->getPath();
84                 $targetQuery = $rel->getQuery() != '' ? $rel->getQuery() : $base->getQuery();
89                     if ($targetAuthority != '' && $base->getPath() === '') {
92                         $lastSlashPos = strrpos($base->getPath(), '/');
96 …                    $targetPath = substr($base->getPath(), 0, $lastSlashPos + 1) . $rel->getPath();
106             $base->getScheme(),
115      * Returns the target URI as a relative reference from the base URI.
119 …*    (string) $target === (string) UriResolver::resolve($base, UriResolver::relativize($base, $tar…
121 …* One use-case is to use the current request URI as base URI and then generate relative links in y…
124      *    $base = new Uri('http://example.com/a/b/');
125      *    echo UriResolver::relativize($base, new Uri('http://example.com/a/b/c'));  // prints 'c'.
126 …*    echo UriResolver::relativize($base, new Uri('http://example.com/a/x/y'));  // prints '../x/y'.
127      *    echo UriResolver::relativize($base, new Uri('http://example.com/a/b/?q')); // prints '?q'.
128 …*    echo UriResolver::relativize($base, new Uri('http://example.org/a/b/'));   // prints '//examp…
133      *    echo UriResolver::relativize($base, new Uri('/a/b/c'));  // prints 'c' as well
135      * @param UriInterface $base   Base URI
140     public static function relativize(UriInterface $base, UriInterface $target)  argument
143 …($base->getScheme() !== $target->getScheme() || $target->getAuthority() === '' && $base->getAuthor…
150 …   // the target with `$target = self::resolve($base, $target);` and then try make it more relative
155         if ($target->getAuthority() !== '' && $base->getAuthority() !== $target->getAuthority()) {
164         if ($base->getPath() !== $target->getPath()) {
165             return $emptyPathUri->withPath(self::getRelativePath($base, $target));
168         if ($base->getQuery() === $target->getQuery()) {
169 …// Only the target fragment is left. And it must be returned even if base and target fragment are …
173 …// If the base URI has a query but the target has none, we cannot return an empty path reference a…
174         // inherit the base query component when resolving.
185     private static function getRelativePath(UriInterface $base, UriInterface $target)  argument
187         $sourceSegments = explode('/', $base->getPath());
207             if ($base->getAuthority() != '' && $base->getPath() === '') {