fix: php8 unknown named parameter

composer.json

@@ -27,7 +27,6 @@
     },
     "require-dev": {
         "bsr/utils" : "dev-master",
-        "pds/skeleton": "^1.0",
+        "phpunit/phpunit": "^8"
-        "phpunit/phpunit": "^6"
     }
 }

src/Webservice/WebService.php

@@ -117,7 +117,7 @@ abstract class WebService
             'func' => $this->func.'('.implode(', ', $params).')',
         ));
 
-        return call_user_func_array(array($this, $this->func), $params);
+        return call_user_func_array(array($this, $this->func), array_values($params));
     }
 
     /**