WordPress admin is incredibly slow [closed]

A dev version clearly needs to be created. Resolving this will take time. You will need debug and the ability to experiment with disabling plugins. Chances are, the slowness is caused from a bad query with a plugin. Or too many scripts. Also, 100mb of memory is far inadequate for a site with that much … Read more

Remove or move admin submenus under a new menu

Set the argument ‘show_in_menu’ => false while registering your post with register_post_type() would make admin menus for that post type ignored, so this is the best solution here to hide menus. If you can’t access it, you could hook a function on admin_menu to add or remove menus and submenus. Here’s an example. We did … Read more

new subdomain to apply as main domain

You will need to modify some values directly in the database in order to change the url of your primary domain. The values in the following tables needs to be modified: wp_options, wp_site, wp_sitemeta, wp_blogs and wp_#_options Try this link it has all the steps involved in detail

manage_edit-{post_type}_sortable_columns sorts, but wrong!

Remove this: // Administration: Teach wordpress to make the column sortable function anco_project_year_column_orderby( $vars ) { if ( isset( $vars[‘orderby’] ) && ‘anco_project_year_from’ == $vars[‘orderby’] ) { $vars = array_merge( $vars, array( ‘meta_key’ => ‘anco_project_year_from’, ‘orderby’ => ‘meta_value_num’ ) ); } else if ( isset( $vars[‘orderby’] ) && ‘anco_project_year_to’ == $vars[‘orderby’] ) { $vars = … Read more