Ojs\CoreBundle\Service\Search\SearchManager::parseSearchQuery PHP Метод

    public function parseSearchQuery($searchTerm)
    {
        $searchTermsParsed = [];
        $searchTerms = array_slice(explode(')', $searchTerm), 0, -1);
        foreach ($searchTerms as $term) {
            $termParse = [];
            $termText = preg_replace('/\\(/', '', trim($term));
            $condition = explode(' ', $termText)[0];
            if (in_array($condition, ['OR', 'NOT', 'AND'])) {
                $termParse['condition'] = $condition;
            } else {
                $termParse['condition'] = 'OR';
            }
            if (isset($termParse['condition'])) {
                $searchText = preg_replace('/' . $termParse['condition'] . ' /', '', $termText);
            } else {
                $searchText = $termText;
            }
            $termParse['searchText'] = explode('[', $searchText)[0];
            $termParse['searchField'] = explode('[', preg_replace('/]/', '', $searchText))[1];
            $searchTermsParsed[] = $termParse;
        }
        return $searchTermsParsed;
    }