yii\db\QueryBuilder::buildCompositeInCondition PHP Method

    protected function buildCompositeInCondition($operator, $columns, $values, &$params)
    {
        $vss = [];
        foreach ($values as $value) {
            $vs = [];
            foreach ($columns as $column) {
                if (isset($value[$column])) {
                    $phName = self::PARAM_PREFIX . count($params);
                    $params[$phName] = $value[$column];
                    $vs[] = $phName;
                } else {
                    $vs[] = 'NULL';
                }
            }
            $vss[] = '(' . implode(', ', $vs) . ')';
        }
        if (empty($vss)) {
            return $operator === 'IN' ? '0=1' : '';
        }
        $sqlColumns = [];
        foreach ($columns as $i => $column) {
            $sqlColumns[] = strpos($column, '(') === false ? $this->db->quoteColumnName($column) : $column;
        }
        return '(' . implode(', ', $sqlColumns) . ") {$operator} (" . implode(', ', $vss) . ')';
    }