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And you should never use $_REQUEST, but



$form->getInfo($vars, $info);



with $vars being a Variables object.

First, register_globals has nothing to do with this.



Second, I'm rather unclear what you're saying and what your example is 
doing. Please upload, as an attachment, a full PHP script with 
comments that describes and reproduces the problem.

I'm unable to obtain the submitted variable,

it don't appears in REQUEST,

i work with register_globals=on

all other Horde_Form_Type i've used work normally.



$liste = Array('aaaa' => 'element 1', 'bbbb' => 'element 2');



$form->addVariable(_("assign"), 'passign', 'assign', false, false, 
null, Array($liste, Array(), 'Elements left : ', 'Elements right : '));



if ($form->validate($vars)) {

     print_r($_REQUEST);

}