Web\Url: add matches() function

fixes #6992

library/Icinga/Web/Url.php

@@ -385,6 +385,23 @@ public function shift($param, $default = null)
         return $this->params->shift($param, $default);
     }
 
+    /**
+     * Whether the given URL matches this URL object
+     *
+     * This does an exact match, parameters MUST be in the same order
+     *
+     * @param Url|string $url the URL to compare against
+     *
+     * @return bool whether the URL matches
+     */
+    public function matches($url)
+    {
+        if (! $url instanceof Url) {
+            $url = Url::fromPath($url);
+        }
+        return (string) $url === (string) $this;
+    }
+
     /**
      * Return a copy of this url without the parameter given
      *