Think\Db\Connection::bindValue PHP Метод

    protected function bindValue(array $bind = [])
    {
        foreach ($bind as $key => $val) {
            // 占位符
            $param = is_numeric($key) ? $key + 1 : ':' . $key;
            if (is_array($val)) {
                $result = $this->PDOStatement->bindValue($param, $val[0], $val[1]);
            } else {
                $result = $this->PDOStatement->bindValue($param, $val);
            }
            if (!$result) {
                throw new BindParamException("Error occurred  when binding parameters '{$param}'", $this->config, $this->queryStr, $bind);
            }
        }
    }