function rooms_element_validate_integer_zero_positive in Rooms - Drupal Booking for Hotels, B&Bs and Vacation Rentals 7

Form element validation handler for integer elements greater than or equal to 0.

1 string reference to 'rooms_element_validate_integer_zero_positive'

rooms_booking_children_discount in modules/rooms_booking/rooms_booking.module

Form callback for rooms_booking_children_discount form.

File

./rooms.module, line 1316

Provides basic underlying functionality and configuration options used by all Rooms modules

Code

function rooms_element_validate_integer_zero_positive($element, &$form_state) {
  $value = $element['#value'];
  if ($value !== '' && (!is_numeric($value) || intval($value) != $value || $value < 0)) {
    form_error($element, t('%name must be a positive integer.', array(
      '%name' => $element['#title'],
    )));
  }
}