function search404_get_keys in Search 404 5

Same name and namespace in other branches

1. 6 search404.module \search404_get_keys()
2. 7 search404.page.inc \search404_get_keys()

Replacement for search_get_keys WARNING: This function can potentially return dangerous potential SQL inject/XSS data. Return must be sanatized before use.

1 call to search404_get_keys()

search404_page in ./search404.module

Main search function. Started with: http://drupal.org/node/12668 Updated to be more similar to search_view Beware of messy code

File

./search404.module, line 37

Code

function search404_get_keys() {

  // Abort query on certain extensions, e.g: gif jpg jpeg png
  $extensions = preg_split('/\\s+/', variable_get('search404_ignore_query', 'gif jpg jpeg bmp png'));
  $extensions = trim(implode('|', $extensions));
  if (!empty($extensions) && preg_match("/\\.({$extensions})\$/", $_REQUEST['destination'])) {
    return FALSE;
  }
  $keys = $_REQUEST['destination'];
  $misc_var = variable_get('search404_regex', '');
  if (!empty($misc_var)) {
    $keys = preg_grep($misc_var, $keys);
    $keys = $keys[0];
  }

  // Ingore certain extensions from query
  $extensions = preg_split('/\\s+/', variable_get('search404_ignore_extensions', 'htm html php'));
  $extensions = trim(implode('|', $extensions));
  if (!empty($extensions)) {
    $keys = preg_replace("/\\.({$extensions})\$/", '', $keys);
  }
  $keys = preg_split('/[' . PREG_CLASS_SEARCH_EXCLUDE . ']+/u', $keys);

  // Ignore certain words
  $keys = array_diff($keys, explode(' ', variable_get('search404_ignore', 'and or the')));
  foreach ($keys as $a => $b) {
    $keys[$a] = check_plain($b);
  }
  $modifier = variable_get('search404_use_or', FALSE) ? ' OR ' : ' ';
  $keys = trim(implode($modifier, $keys));
  return $keys;
}