function htmlpurifier_check_version in HTML Purifier 7

Same name and namespace in other branches

1. 6.2 htmlpurifier.module \htmlpurifier_check_version()
2. 7.2 htmlpurifier.module \htmlpurifier_check_version()

Checks for updates to the HTML Purifier library.

2 calls to htmlpurifier_check_version()

htmlpurifier_cron in ./htmlpurifier.module

Implements hook_cron().

htmlpurifier_requirements in ./htmlpurifier.install

Implements hook_requirements().

File

./htmlpurifier.module, line 65

Implements HTML Purifier as a Drupal filter.

Code

function htmlpurifier_check_version($force = FALSE) {
  if ($force || !variable_get('htmlpurifier_version_check_failed', FALSE)) {

    // Maybe this should be changed in the future:
    $result = drupal_http_request('http://htmlpurifier.org/live/VERSION');
    if ($result->code == 200) {
      $version = trim($result->data);
      if (variable_get('html_purifier_version_check_failed', FALSE) == TRUE) {
        variable_set('htmlpurifier_version_check_failed', FALSE);
      }
      $current_version = variable_get('htmlpurifier_version_current', '');
      if ($current_version != $version) {
        variable_set('htmlpurifier_version_current', $version);
      }
      return $version;
    }
    else {
      variable_set('htmlpurifier_version_check_failed', TRUE);

      // Delete any previously known "latest" version so that people can be
      // alerted if a problem appears on a previously working site.
      variable_del('htmlpurifier_version_current');
    }
  }
}