foreach ($model as $hall) {
    ?>
        <div class="panel panel-default">
            <div class="panel-body">
                <?php 
    echo '<strong>Hall: </strong>' . $hall->getHallTitle();
    echo "<br/>";
    echo '<strong>With capacity: </strong>' . $hall->getCapacity();
    ?>

                <?php 
    $form = new Form('select-hall-form', '/lectures/addhall');
    $form->setAttribute('method', 'post');
    $form->setAttribute('class', 'pull-right');
    $form->setNewLineAfter(false);
    $form->setNewLineBefore(false);
    $form->setAttribute('action', '/lectures/addhall');
    $form->addTextField(TextField::create()->setAttribute('id', 'hallId')->setAttribute('name', 'hallId')->setAttribute('hidden', 'hidden')->setNewLineAfter(false)->setNewLineBefore(false)->setAttribute('value', $hall->getHallId()));
    $form->addTextField(TextField::create()->setAttribute('id', 'lectureId')->setAttribute('name', 'lectureId')->setAttribute('hidden', 'hidden')->setNewLineAfter(false)->setNewLineBefore(false)->setAttribute('value', $hall->getLectureId()));
    $form->addTextField(TextField::create()->setAttribute('id', 'conferenceId')->setAttribute('name', 'conferenceId')->setAttribute('hidden', 'hidden')->setNewLineAfter(false)->setNewLineBefore(false)->setAttribute('value', $hall->getConferenceId()));
    $form->addSubmitButton(SubmitButton::create()->setAttribute('class', 'btn btn-success')->setNewLineAfter(false)->setNewLineBefore(false)->setAttribute('value', 'Select'));
    $form->addCSRFToken(CSFRToken::create()->setNewLineAfter(false)->setNewLineBefore(false)->setAttribute('name', 'ValidationToken'));
    $form->render();
    ?>
            </div>
        </div>
    <?php 
}
?>
    </div>