function html_time_validate

Validate a time string.

Related topics

File

core/includes/form.inc, line 3361

Functions for form and batch generation and processing.

Code

function html_time_validate($element, &$form_state) {
  $time = $element['#value'];
  if (!empty($time)) {
    // Pad time if seconds were omitted because of the step attribute,
    // or a browser skipped it. Our date pattern contains seconds.
    if (preg_match('/^\d{2}:\d{2}$/', $time)) {
      $time .= ':00';
    }
    $valid_time = FALSE;
    $created_time = DateTime::createFromFormat(DATE_FORMAT_TIME, $time);
    if (is_object($created_time)) {
      // DateTime::createFromFormat alone is too permissive.
      if ($created_time->format(DATE_FORMAT_TIME) == $time) {
        $valid_time = TRUE;
      }
    }
    if (!$valid_time) {
      form_error($element, t('%time is not a valid time.', array('%time' => $time)));
    }
  }
}