function date_views_filter_handler_simple::extra_options_validate

Validate the options form.

Overrides views_handler::extra_options_validate

File

core/modules/date/views/date_views_filter_handler_simple.inc, line 274

A standard Views filter for a single date field, using Date API form selectors and sql handling.

Class

date_views_filter_handler_simple

@file A standard Views filter for a single date field, using Date API form selectors and sql handling.

Code

function extra_options_validate($form, &$form_state) {
  if (!preg_match('/^(?:[\+\-][0-9]{1,4}|[0-9]{4}):(?:[\+\-][0-9]{1,4}|[0-9]{4})$/', $form_state['values']['options']['year_range'])) {
    form_error($form['year_range'], t('Date year range must be in the format -9:+9, 2005:2010, -9:2010, or 2005:+9'));
  }
}