drupal form example

tim-example-form

<?php

/**
* Implements hook_permission()
*/
  function ghost_form_permission() {
    return array(
      'submit ghost_form' => array(
        'title' => t('Submit ghost_form'),
        'description' => t('Submit the ghost_form form'),
      ),
    ); 
  }
  
  /**
  * Implements hook_menu()
  */
  function ghost_form_menu() {
    $items = array();
    $items['ghost-form-example'] = array(
      'title' => 'Ghost Example Form',
      'type' => MENU_NORMAL_ITEM,
      'access arguments' => array('submit ghost_form'),
      'page callback' => 'drupal_get_form',
      'page arguments' => array('ghost_form_form'),
    ); 
    
    return $items;
  }
  
  /**
  * My Example Form
  */
  function ghost_form_form($form, &$form_state) {
   $form['field_first_name'] = array(
     '#type' => 'textfield',
     '#title' => t('First Name'),
     '#size' => 255,
     '#description' => t('Please enter your first name.'),
   );
   
   $form['submit'] = array(
     '#type' => 'submit',
     '#value' => t('Add item'),
   );
   
   return $form;
   
  }
  
  /**
  * Validation handler for the ghost_form_form
  */
 /* function ghost_form_form_validate($form, &$form_state) {
    //print('<pre>'.print_r($form_state['values'],1).'</pre>');die();
    if (!is_numeric($form_state['values']['field_first_name'])) {
       form_set_error('field_first_name', t('You must enter a valid number'));
       return FALSE; 
    }
    return TRUE;
  }*/
  
  /**
  * Submit handler for the ghost_form_form. Inserts entry into the database
  */
  function ghost_form_form_submit($form, &$form_state) {
    $form = db_insert('field_data_field_first_name') // database table name
      ->fields(array(
        'field_first_name_value' => $form_state['values']['field_first_name_value'],
      )) 
      ->execute();
      
    drupal_set_message(t('Your form entry has been added'));
  }