/**
  * Implementation of hook_perm().
  */
function reserve_perm() {
  return array('access reservation form');
}
 
 
/**
  * Implementation of hook_menu().
  */
function reserve_menu() {
  $items = array();
 
  $items['reservation'] = array(
    'title' => 'Foglalás',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('room_reserver_myform'),
    'type' => MENU_NORMAL_ITEM,
    'access arguments' => array('access reservation form'), //így csak az fér hozzá, aki benne van abban a csoportban, amelyikre engedélyezed ezt a hozzáférést
  );
 
  return $items;
}
 
 
function room_reserver_myform() {
  $form = array();
  $form['#submit'] = array('room_reserver_myform_submit');
 
  $form['firstname'] = array(
    '#type'=> 'textfield',
    '#title' => t('First name'),
    '#required' => TRUE,
  );
  $form['lastname'] = array(
    '#type'=> 'textfield',
    '#title' => t('Last name'),
    '#required' => TRUE,
  );
  $form['radio'] = array(
    '#type' => 'radio',
    '#title' => t('Sex'),
    '#default_value' => 'Male',
    '#options' => array(
      1 => 'Male',
      2 => 'Female',
    ),
    '#description' => t('Please choose an option.'),
  );
 
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Elküldés'),
  );
  return $form;
}
 
function room_reserver_myform_submit($form, &$form_state) {
  //a form state-ben találhatóak az POST-olt adatok
  $values = $form_state['values'];
  //itt pedig elmendheted, ahogy kedved tartja.
  //viszont ha saját táblákkal dolgozol, akkor írj egy .install file-t is.
}