controller.php

<?php

class CustomAccountsController extends SugarController
{
    public function action_displaypassedids() {
        if ( !empty($_REQUEST['uid']) ) {
            $recordIds = explode(',',$_REQUEST['uid']);
            foreach ( $recordIds as $recordId ) {
                $bean = SugarModule::get($_REQUEST['module'])->loadBean();
                $bean->retrieve($recordId);
                echo "Sent Record ID {$bean->id}, name ".$bean->get_summary_text()."";
            }
        }

        sugar_die('');
    }
}