function _filter_html in Drupal 7

Same name and namespace in other branches

1. 4 modules/filter.module \_filter_html()
2. 5 modules/filter/filter.module \_filter_html()
3. 6 modules/filter/filter.module \_filter_html()

Implements callback_filter_process().

Provides filtering of input into accepted HTML.

Related topics

2 calls to _filter_html()

FilterUnitTestCase::testHtmlFilter in modules/filter/filter.test

Tests filter settings, defaults, access restrictions and similar.

FilterUnitTestCase::testNoFollowFilter in modules/filter/filter.test

Tests the spam deterrent.

2 string references to '_filter_html'

filter_filter_info in modules/filter/filter.module

Implements hook_filter_info().

hook_filter_info in modules/filter/filter.api.php

Define content filters.

File

modules/filter/filter.module, line 1303

Framework for handling the filtering of content.

Code

function _filter_html($text, $filter) {
  $allowed_tags = preg_split('/\\s+|<|>/', $filter->settings['allowed_html'], -1, PREG_SPLIT_NO_EMPTY);
  $text = filter_xss($text, $allowed_tags);
  if ($filter->settings['filter_html_nofollow']) {
    $html_dom = filter_dom_load($text);
    $links = $html_dom
      ->getElementsByTagName('a');
    foreach ($links as $link) {
      $link
        ->setAttribute('rel', 'nofollow');
    }
    $text = filter_dom_serialize($html_dom);
  }
  return trim($text);
}