Algo improved

model-algo.txt

$questions = array_values($questions);

        foreach ($questions as $k => $q) {
            $key = (string) 'q' . (++$k);
            $questionMapping[$key] = $q;
        }

        $template = "
        MATCH
        (u:User)-[:RATES]->(q:Question)
        WHERE
        q.qnoow_id IN [ ";

        foreach ($questionMapping as $k => $q) {
            $template .= "{" . $k . "}, ";
        }

        $template = rtrim(trim($template), ",");

        $template .= " ] 
        AND NOT u.qnoow_id = " . $id . "
        RETURN
        u.qnoow_id AS u;";

        //Create the Neo4j template object
        $neoQuery = new Query(
            $this->client,
            $template,
            $questionMapping
        );

        try {
            $result = $neoQuery->getResultSet();
        } catch (\Exception $e) {
            throw $e;
        }

        //TODO: check that the execution and integration of this function actually works :/
        //TODO: enqueue the calculation of these matching instead of calculating them in a loop (launch workers?) I didn't do it myself because I don't really know how the queues work :(
        foreach ($result as $row) {
            $this->getMatchingBetweenTwoUsersBasedOnAnswers($id, $row['u']);
        }