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1. drupal
   1. drupal6

Validation callback for filter elements in a form.

See also

filter_form().

Code

modules/filter/filter.module, line 540

<?php
function filter_form_validate($form) {
  foreach (element_children($form) as $key) {
    if ($form[$key]['#value'] == $form[$key]['#return_value']) {
      return;
    }
  }
  form_error($form, t('An illegal choice has been detected. Please contact the site administrator.'));
  watchdog('form', 'Illegal choice %choice in %name element.', array('%choice' => $form[$key]['#value'], '%name' => empty($form['#title']) ? $form['#parents'][0] : $form['#title']), WATCHDOG_ERROR);
}
?>