Description: ------------ When $key value = 0 and I try to add a radio element form, the property 'name="0"' it´s not displayed, but it works right when $key = string. $form->addGroup("radio", $key,$foo,$foo) << $key = 0 >> <input value="0" type="radio" id="qf_bab5ac" checked="checked" /> << $key = 1 >> <input value="0" type="radio" id="qf_9c3bc0" name="1" checked="checked" /> Reproduce code: --------------- $form->addGroup("radio", $key , "title":',"< /BR>"); Expected result: ---------------- << $key = 0 >> <input value="0" type="radio" id="qf_9c3bc0" name="0" checked="checked" /> Actual result: -------------- << $key = 0 >> <input value="0" type="radio" id="qf_bab5ac" checked="checked" />