CodeIgniter中的PDO数据库配置是什么？ [英] What is PDO database configuration in CodeIgniter?

问题描述

在 application / config / database.php 中，为了设置最佳数据库配置，应设置 $ db ['default'] ['主机名'] =''; 到'localhost'通过使用mysql驱动程序。

In application/config/database.phpfor setting up a optimal database configuration should set the $db['default']['hostname'] = ''; to 'localhost' by use of mysql driver.

但是当我们使用PDO驱动程序进行此配置，使用localhost作为主机名时，会看到ERROR。

But when we use PDO driver for this configuration and localhost for the host name we see ERROR. What is PDO database hostname configuration in CodeIgniter with PDO driver shown below and what should place instead of question mark?

$db['default']['hostname'] = '?????';
$db['default']['username'] = 'root';
$db['default']['password'] = '';
$db['default']['database'] = 'XXX';
$db['default']['dbdriver'] = 'PDO';

推荐答案

如果您尝试连接pdo，请尝试使用codeigniter 3

If your trying to connect pdo try in codeigniter 3

$db['default'] = array(
'dsn'  => 'mysql:host=localhost; dbname=myproject; charset=utf8;',
'hostname' => 'localhost',
'username' => 'root',
'password' => '*********',
'database' => '',
'dbdriver' => 'pdo',

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