function mostpopular_service_config_form_validate_throttle in Drupal Most Popular 6

Validates the throttle field in config forms.

1 string reference to 'mostpopular_service_config_form_validate_throttle'

mostpopular_service_config_form in ./mostpopular.admin.inc

File

./mostpopular.admin.inc, line 616

Defines all the administration forms for the Most Popular module.

Code

function mostpopular_service_config_form_validate_throttle($element, &$form_state) {
  $value = $element['#value'];
  $value = trim($value);

  // If the value is not empty, try to convert it with strtotime()
  if (!empty($value)) {
    $ts = strtotime($value);

    // Is the user's input a valid time interval?
    if ($ts === FALSE) {
      form_error($element, t("You must specify the interval in a format that can be understood by <a href='@strtotime' target='php'>strtotime()</a>.", array(
        '@strtotime' => 'http://php.net/manual/en/function.strtotime.php',
      )));
    }
    elseif ($ts <= time()) {
      form_error($element, t('You must specify the time as a positive interval relative to the current time.'));
    }
  }
}