function find_keyword($keyword_name)
{
# Attempt to find keyword
$keyword = KeywordQuery::create()->useKeywordSynonymQuery()->filterByValue($keyword_name)->endUse()->findOne();
# Handle keyword
if ($keyword) {
# Return keyword
return $keyword;
} else {
# Create keyword
$keyword = new Keyword();
$keyword->setValue($keyword_name)->save();
# Create synonym
$synonym = new Synonym();
$synonym->setKeyword($keyword)->setValue($keyword_name)->save();
# Return keyword
return $keyword;
}
}
