matching.php

public function findClient(Query $query, array $options)
{
    $query->matching(
        'OfferTypes', function ($q) use ($options) {
            return $q->where(['OfferTypes.id' => $options['client']['offer_type_id']]);
        }
    );
    $query->matching('Clients', function ($q) use ($options) {
        return $q->where(['Clients.name' => $options['client']['name']]);
    });

    return $query;
}