src/Operator/Strings/StringSetMultiple.php
protected function filterArguments(array $arguments)
    {
        if (count($arguments) === 1 && is_array($arguments[0])) {
            $flattenedKVs = array();
            $args = $arguments[0];

            foreach ($args as $k => $v) {
                $flattenedKVs[$k] = $v;
            }

            return $flattenedKVs;
        }

        return $arguments;
    }
protected function filterArguments(array $arguments)
    {
        if (count($arguments) === 1 && is_array($arguments[0])) {
            $flattenedKVs = array();
            $args = $arguments[0];

            foreach ($args as $k => $v) {
                $flattenedKVs[$k] = $v;
            }

            return $flattenedKVs;
        }

        return $arguments;
    }
{@inheritdoc}