/**
* Remove duplicate words from a string
*
* @param $content
*
* @return array|string
*/
function remove_duplicate_words_from_string($content)
{
if (!class_exists('SearchWPIndexer')) {
return $content;
}
$searchwp_indexer = new SearchWPIndexer();
// standardize the content
$content = $searchwp_indexer->clean_content($content);
$content = explode(' ', $content);
$content = array_map('trim', $content);
// remove the dupes
$content = array_unique($content);
// put it back as a string
$content = implode(' ', $content);
return $content;
}
