Подсветка слов при поиске

$results = $mysqli->query("SELECT *, WEIGHT() FROM my_index WHERE MATCH('месси|роналду|приедут') LIMIT 100 OPTION ranker=bm25");

while($row = $results->fetch_assoc()) {

$full_story = strip_tags($row['full_story']);
$res = $mysqli->query("CALL SNIPPETS('".$full_story."', 'my_index', 'месси|роналду|приедут',
'<strong>' AS before_match, '</strong>' AS after_match, 5 AS around, 200 AS limit)");
echo $res->fetch_assoc()['snippet']."\n";
}

$results = $mysqli->query("SELECT *, WEIGHT(), SNIPPET(FETCH_FROM_SOURCE('title'), 'my_index', 'месси|роналду|приедут') AS title_snippet FROM my_index WHERE MATCH('месси|роналду|приедут') LIMIT 100 OPTION ranker=bm25");