laravel 框架的tosql打印出来的sql未绑定参数,怎么可以打印带参数的sql?[通俗易懂]

/**
 * Combines SQL and its bindings
 *
 * @param \Eloquent $query
 * @return string
 */
public static function getEloquentSqlWithBindings($query)
{
    return vsprintf(str_replace('?', '%s', $query->toSql()), collect($query->getBindings())->map(function ($binding) {
        return is_numeric($binding) ? $binding : "'{$binding}'";
    })->toArray());
}

$manUser = User::where('id', $params['userId']);
        dd(self::getEloquentSqlWithBindings($manUser));

 $manUser = User::where('id', $params['userId']);
        dd($manUser->toSql());