function _content_admin_field_add_new_validate in Content Construction Kit (CCK) 6

Same name and namespace in other branches

1. 5 content_admin.inc \_content_admin_field_add_new_validate()

Field name validation.

File

includes/content.admin.inc, line 550

Administrative interface for content type creation.

Code

function _content_admin_field_add_new_validate($form, &$form_state) {

  // Add the 'field_' prefix.
  form_set_value($form['new']['field']['field_name'], 'field_' . $form_state['values']['field_name'], $form_state);
  $form_values = $form_state['values'];
  if (!preg_match('!^field_[a-z0-9_]+$!', $form_values['field_name'])) {
    form_set_error('field_name', t('The field name %field_name is invalid. The name must include only lowercase unaccentuated letters, numbers, and underscores.', array(
      '%field_name' => $form_values['field_name'],
    )));
  }
  if (array_key_exists($form_values['field_name'], content_fields())) {
    form_set_error('field_name', t('The field name %field_name already exists.', array(
      '%field_name' => $form_values['field_name'],
    )));
  }
  elseif ($form_values['field_name'] == 'field_instance') {
    form_set_error('field_name', t("The name 'field_instance' is a reserved name."));
  }
}