Connect to another database in WordPress using the wpdb class

In WordPress the $wpdb object can talk to any number of tables, but only within database WordPress is installed. In case you need to connect to another database, you will have to instantiate your own object from the wpdb class with the appropriate connection details:

 

Once the connection is made you can access the database and its tables as you would in any WordPress database:

This code can be in plugins, templates, themes and almost anywhere else inside the WordPress code.

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Henrik Damgaard

Henrik Damgaard

Hi I’m Henrik and I write this blog based on useful topics I find interesting – mostly covering some of my technical interests : System Center Operations Manager (SCOM), BizTalk, Windows Server, PowerShell, SQL server, Internet Information Services, PHP and .NET I am currently holding a position as System Administrator with focus on Microsoft server products.

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