We get it done.

/* ====================================================== BACKUP BANK DATA SO IT SURVIVES PLUGIN REINSTALL ====================================================== */ add_action('redux/options/jobster_settings/saved','wpj_bank_backup'); function wpj_bank_backup($options){ if(isset($options['custom_banks'])){ update_option('wpj_bank_manager_backup',$options['custom_banks']); } } add_action('init','wpj_restore_bank_backup'); function wpj_restore_bank_backup(){ $settings = get_option('jobster_settings'); $backup = get_option('wpj_bank_manager_backup'); if(empty($settings['custom_banks']) && !empty($backup)){ $settings['custom_banks']=$backup; update_option('jobster_settings',$settings); } }