Implements \Drupal\Core\Form\FormInterface::validateForm().
Overrides SystemConfigFormBase::validateForm
public function validateForm(array &$form, array &$form_state) {
$form_state['notify_emails'] = array();
if (!empty($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(', ', $invalid),
)));
}
}
parent::validateForm($form, $form_state);
}