How to change the lang=”en-US” value of the HTML document?
The value for that string is normally taken from the option WPLANG in your database table $prefix_options. You can set it in the backend under Settings/General (wp-admin/options-general.php) or per SQL. There several ways to change that value per PHP: Create a global variable $locale in your wp-config.php: $locale=”en_GB”; Declare the constant WPLANG in your wp-config.php: … Read more