function user_limit_validate in User Limit 6

Same name and namespace in other branches

1. 7 user_limit.module \user_limit_validate()

Ensure that the entered user limit is a positive integer.

1 string reference to 'user_limit_validate'

user_limit_form_user_admin_settings_alter in ./user_limit.module

Implementation of hook_FORM_ID_alter().

File

./user_limit.module, line 184

Everything related to User Limit. There are no include files.

Code

function user_limit_validate($element, &$form_state) {
  $user_limit = (int) $element['#value'];
  if (!is_numeric($element['#value']) || $user_limit < 0) {
    form_error($element, t('User limit must be a positive integer (1, 2, 3...).'));
  }
}