[8.x] Add fullUrlWithoutQuery method to Request (laravel#38482)

* add fullUrlWithoutQuery method to Request

* StyleCI fixes

src/Illuminate/Http/Request.php

@@ -133,6 +133,23 @@ public function fullUrlWithQuery(array $query)
             : $this->fullUrl().$question.Arr::query($query);
     }
 
+    /**
+     * Get the full URL for the request without the given query string parameters.
+     *
+     * @param  array|string  $query
+     * @return string
+     */
+    public function fullUrlWithoutQuery($keys)
+    {
+        $query = Arr::except($this->query(), $keys);
+
+        $question = $this->getBaseUrl().$this->getPathInfo() === '/' ? '/?' : '?';
+
+        return count($query) > 0
+            ? $this->url().$question.Arr::query($query)
+            : $this->url();
+    }
+
     /**
      * Get the current path info for the request.
      *