function heartbeat_messages_add_validate in Heartbeat 6.4

Validate function to maintain and administer heartbeat messages.

File

./heartbeat.admin.inc, line 908

Admnistration tasks for heartbeat.

Code

function heartbeat_messages_add_validate($form, &$form_state) {
  $name = $form_state['values']['message_id'];

  // View name must be alphanumeric or underscores, no other punctuation.
  if (preg_match('/[^a-zA-Z0-9_]/', $name)) {
    form_error($form['message_id'], t('Heartbeat template name must be alphanumeric or underscores only.'));
  }
}