<?php/**** Retrieve list data from the Listo plugin.** Listo http://wordpress.org/plugins/listo/**/add_filter('wpcf7_form_tag_data_option','wpcf7_listo',10,3);functionwpcf7_listo($data,$options,$args){if(!function_exists('listo')){return$data;}$args=wp_parse_args($args,array());$contact_form=wpcf7_get_current_contact_form();$args['locale']=$contact_form->locale();foreach((array)$optionsas$option){$option=explode('.',$option);$type=$option[0];$args['group']=isset($option[1])?$option[1]:null;if($list=listo($type,$args)){$data=array_merge((array)$data,$list);}}return$data;}