PHP OOP Database Class

DB::table('test')
    ->where('id', 1)
    ->orWhere(function($query) {
        $query->where('a', '>', 5)
              ->where('a', '<=', 10);
    })
    ->delete();


Table Object
(
    [m_impl:protected] => QueryImpl Object
        (
            [m_tableSql:QueryImpl:private] => `test`
            [m_whereClauseSql:QueryImpl:private] =>
            [m_offsetSql:QueryImpl:private] =>
            [m_limitSql:QueryImpl:private] =>
            [m_groupByClauseSql:QueryImpl:private] =>
            [m_orderByClauseSql:QueryImpl:private] =>
            [m_havingClauseSql:QueryImpl:private] =>
            [m_variables:QueryImpl:private] => Array
                (
                )

        )

)
Unknown2 Object
(
    [m_impl:protected] => QueryImpl Object
        (
            [m_tableSql:QueryImpl:private] => `test`
            [m_whereClauseSql:QueryImpl:private] => `id` = ?
            [m_offsetSql:QueryImpl:private] =>
            [m_limitSql:QueryImpl:private] =>
            [m_groupByClauseSql:QueryImpl:private] =>
            [m_orderByClauseSql:QueryImpl:private] =>
            [m_havingClauseSql:QueryImpl:private] =>
            [m_variables:QueryImpl:private] => Array
                (
                    [0] => 1
                )

        )

)
Unknown2 Object
(
    [m_impl:protected] => QueryImpl Object
        (
            [m_tableSql:QueryImpl:private] => `test`
            [m_whereClauseSql:QueryImpl:private] => `id` = ? OR (`a` > ? AND `a` <= ?)
            [m_offsetSql:QueryImpl:private] =>
            [m_limitSql:QueryImpl:private] =>
            [m_groupByClauseSql:QueryImpl:private] =>
            [m_orderByClauseSql:QueryImpl:private] =>
            [m_havingClauseSql:QueryImpl:private] =>
            [m_variables:QueryImpl:private] => Array
                (
                    [0] => 1
                    [1] => 5
                    [2] => 10
                )

        )

)
string(59) "DELETE FROM `test` WHERE `id` = ? OR (`a` > ? AND `a` <= ?)"