DrupalAPI.de

1. drupal
   1. drupal7

The user has just finished editing the comment and is trying to preview or submit it. This hook can be used to check or even modify the comment. Errors should be set with form_set_error().

Übergabeparameter

$form_values Passes in an array of form values submitted by the user.

Rückgabewert

Nothing.

Verwandte Themen

Hooks

Allow modules to interact with the Drupal core.

Code

modules/comment/comment.api.php, line 37

<?php
function hook_comment_validate(&$form_values) {
  // if the subject is the same as the comment.
  if ($form_values['subject'] == $form_values['comment']) {
    form_set_error('comment', t('you should write more text than in the subject'));
  }
}
?>