setDecorators([ ['ViewScript', ['viewScript' => 'form/preferences_danger.phtml']], ]); $clearLibrary = new Zend_Form_Element_Button('clear_library'); $clearLibrary->setLabel(_('Delete All Tracks in Library')); // $submit->removeDecorator('Label'); $clearLibrary->setAttribs(['class' => 'btn centered']); $clearLibrary->setAttrib('onclick', 'deleteAllFiles();'); $clearLibrary->removeDecorator('DtDdWrapper'); $this->addElement($clearLibrary); } }