'textarea', '#title' => t('E-mail addresses to notify when updates are available'), '#rows' => 4, '#default_value' => implode("\n", $notify_emails), '#description' => t('Whenever your site checks for available updates and finds new releases, it can notify a list of users via e-mail. Put each address on a separate line. If blank, no e-mails will be sent.'), ); $form['update_check_frequency'] = array( '#type' => 'radios', '#title' => t('Check for updates'), '#default_value' => variable_get('update_check_frequency', 1), '#options' => array( '1' => t('Daily'), '7' => t('Weekly'), ), '#description' => t('Select how frequently you want to automatically check for new releases of your currently installed modules and themes.'), ); $form['update_notification_threshold'] = array( '#type' => 'radios', '#title' => t('Notification threshold'), '#default_value' => variable_get('update_notification_threshold', 'all'), '#options' => array( 'all' => t('All newer versions'), 'security' => t('Only security updates'), ), '#description' => t('If there are updates available of Drupal core or any of your installed modules and themes, your site will print an error message on the status report, the modules page, and the themes page. You can choose to only see these error messages if a security update is available, or to be notified about any newer versions.', array('@status_report' => url('admin/reports/status'), '@modules_page' => url('admin/build/modules'), '@themes_page' => url('admin/build/themes'))) ); $form = system_settings_form($form); // Custom valiation callback for the email notification setting. $form['#validate'][] = 'update_settings_validate'; // We need to call our own submit callback first, not the one from // system_settings_form(), so that we can process and save the emails. unset($form['#submit']); return $form; } /** * Validation callback for the settings form. * * Validates the email addresses and ensures the field is formatted correctly. */ function update_settings_validate($form, &$form_state) { if (!empty($form_state['values']['update_notify_emails'])) { $valid = array(); $invalid = array(); foreach (explode("\n", trim($form_state['values']['update_notify_emails'])) as $email) { $email = trim($email); if (!empty($email)) { if (valid_email_address($email)) { $valid[] = $email; } else { $invalid[] = $email; } } } if (empty($invalid)) { $form_state['notify_emails'] = $valid; } elseif (count($invalid) == 1) { form_set_error('update_notify_emails', t('%email is not a valid e-mail address.', array('%email' => reset($invalid)))); } else { form_set_error('update_notify_emails', t('%emails are not valid e-mail addresses.', array('%emails' => implode(', ', $invalid)))); } } } /** * Submit handler for the settings tab. */ function update_settings_submit($form, $form_state) { $op = $form_state['values']['op']; if ($op == t('Reset to defaults')) { unset($form_state['notify_emails']); } else { if (empty($form_state['notify_emails'])) { variable_del('update_notify_emails'); } else { variable_set('update_notify_emails', $form_state['notify_emails']); } unset($form_state['notify_emails']); unset($form_state['values']['update_notify_emails']); } system_settings_form_submit($form, $form_state); }