Disables the Link Manager on upgrade if, at the time of upgrade, no links exist in the DB.
Source
File: wp-admin/includes/upgrade.php.
View all references
function maybe_disable_link_manager() {
global $wp_current_db_version, $wpdb;
if ( $wp_current_db_version >= 22006 && get_option( "link_manager_enabled" ) && ! $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) ) {
update_option( "link_manager_enabled", 0 );
}
}