How to open PDO and PDO_MySQL extension_PHP tutorial

How to enable PDO and PDO_MySQL extension in PHP

The PDO extension defines a lightweight, consistent interface for PHP to access the database, which provides a data access abstraction layer , so that no matter what database is used, queries and data can be retrieved through consistent functions.

In some PHP management systems, you need to enable PDO and PDO_MySQL extensions. The method is very simple:

1. Find the php.ini file

2. After opening, search for extension=php_pdo.dll and extension=php_pdo_mysql.dll, and remove the previous ";" comment.

The final configuration content of these two lines is as follows:

extension=php_pdo.dll

extension=php_pdo_mysql.dll

After restarting apache or iis, check whether it is enabled in the phpinfo function.

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