protected function SearchApiHighlight::getKeywords in Search API 7

Extracts the positive keywords used in a search query.

Parameters

SearchApiQuery $query: The query from which to extract the keywords.

Return value

array An array of all unique positive keywords used in the query.

1 call to SearchApiHighlight::getKeywords()

SearchApiHighlight::postprocessSearchResults in includes/processor_highlight.inc

Does nothing.

File

includes/processor_highlight.inc, line 258

Contains the SearchApiHighlight class.

Class

SearchApiHighlight

Processor for highlighting search results.

Code

protected function getKeywords(SearchApiQuery $query) {
  $keys = $query
    ->getKeys();
  if (!$keys) {
    return array();
  }
  if (is_array($keys)) {
    return $this
      ->flattenKeysArray($keys);
  }
  $keywords = preg_split(self::$split, $keys);

  // Assure there are no duplicates. (This is actually faster than
  // array_unique() by a factor of 3 to 4.)
  $keywords = drupal_map_assoc(array_filter($keywords));

  // Remove quotes from keywords.
  foreach ($keywords as $key) {
    $keywords[$key] = trim($key, "'\" ");
  }
  return drupal_map_assoc(array_filter($keywords));
}