protected function FuzzySearchService::eliminateDuplicates in Fuzzy Search 7

Helper method for eliminating duplicates from the search keys.

1 call to FuzzySearchService::eliminateDuplicates()

FuzzySearchService::prepareKeys in includes/service.inc

Helper method for removing unnecessary nested expressions from keys.

File

includes/service.inc, line 921

Class

FuzzySearchService

Search service class using the database for storing index information.

Code

protected function eliminateDuplicates($keys, &$words = array()) {
  foreach ($keys as $i => $word) {
    if (!element_child($i)) {
      continue;
    }
    if (is_scalar($word)) {
      if (isset($words[$word])) {
        unset($keys[$i]);
      }
      else {
        $words[$word] = TRUE;
      }
    }
    else {
      $keys[$i] = $this
        ->eliminateDuplicates($word, $words);
    }
  }
  return $keys;
}