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

Utility function to validate hex color numbers.

1 string reference to 'rooms_availability_validate_hex_color'

rooms_availability_form_rooms_booking_settings_alter in modules/rooms_availability/rooms_availability.module

Implements hook_form__FORM_ID_alter().

File

modules/rooms_availability/rooms_availability.module, line 1042

Manages availability for Bookable Units and displaying dates on the jquery FullCalendar plugin.

Code

function rooms_availability_validate_hex_color($element, &$form_state) {
  if (!preg_match('/^#[a-f0-9]{6}$/i', $element['#value'])) {
    form_error($element, t('This is not a valid hexadecimal color!'));
  }
}