Fix auto add '/' if URL path is not absolute (now only if host set)

src/UrlInfo/UrlInfo.php

@@ -123,7 +123,7 @@ class UrlInfo {
             $url .= ':' . $this->getPort();
         }
         if ($this->hasPath()) {
-            $url .= ($url === '' || !$this->isPathAbsolute() ? '' : '/') . $this->getPath();
+            $url .= ($this->hasHost() && !$this->isPathAbsolute() ? '/' : '') . $this->getPath();
         }
         if ($this->hasArguments()) {
             $url .= '?' . $this->getArgumentsAsString();
@@ -304,7 +304,7 @@ class UrlInfo {
      * @return string|null The URL path
      */
     public function getPath (): ?string {
-        return $this->hasPathParts() ? $this->getPathParts()->join('/') : null;
+        return $this->hasPathParts() ? preg_replace('#/{2,}#', '/', $this->getPathParts()->join('/')) : null;
     }
     /**
      * The URL path parts