Drupal 7 Module Development

Chapter 5
'#size' => 40,
'#maxlength' => 120,
'#required' => TRUE,
);
// Textarea for the body of the e-mail.
$form['user_warn_e-mail_text'] = array(
'#type' => 'textarea',
'#rows' => 10,
'#columns' => 40,
'#title' => t('Warning e-mail text'),
'#required' => TRUE,
'#description' => t('The text of the e-mail which will be sent to
users.'),
);
// Checkbox to indicate if admin should be sent a Bcc on e-mails.
$form['user_warn_bcc'] = array(
'#type' => 'checkbox',
'#title' => t('BCC admin on all e-mails'),
'#description' => t("Indicates whether the admin user (as set in
site configuration) should be sent on all warning e-mails."),
);
// Submit button
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Save settings'),
);
}
return $form;
The properties of a form element always begin with a # sign in order to
distinguish them from nested form fields. For more information visit the
Form API Quickstart Guide.
This is very similar to what we did earlier while implementing hook_menu(). We
create a specially formatted associative array and return it to the calling function.
In this case, each element in the array corresponds to an element in our form.
Lets look at the subject field first as an example.
$form['user_warn_e-mail_subject'] = array(
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