使用 blog title 进行区分
$blog_title = get_bloginfo( 'name' );
$table_name = '';
if ( $blog_title == 'Driver Easy' ) {
$table_name = 'show_gg_advertising';
}
else if ( $blog_title == 'Driver Easy Deutschland' ) {
$table_name = 'show_2_gg_advertising';
}