*
Convert String into N-Gramed string
| public static toNgram ( $str, $n = 2 ) |
/**
* get tag ids by tag names.
*
* @param array $tag_names
* @return array
*/
public function getTagIdsByTagNames($tag_names)
{
$tag_ids = array();
foreach ($tag_names as $tag_name) {
$tag_name = trim(mb_convert_kana($tag_name, ""s""));
$tag_name = str_replace(" ", "", $tag_name);
if (empty($tag_name)) {
continue;
}
$tag_name = mb_strtolower($tag_name);
$tag = $this->tagRepo->firstOrCreateByName($tag_name);
$this->searchService->tagFirstOrCreateByIdAndWords($tag['id'], FtsUtils::toNgram($tag_name));
$tag_ids[] = (string) $tag['id'];
}
return $tag_ids;
}
/**
* Convert String into N-Gramed string.
*
* @param string $title
* @param text $body
* @return string
*/
public function toNgram($title, $body)
{
return FtsUtils::toNgram($title . "\n\n" . $body);
}
