PartKeepr\PartBundle\Entity\Part::getProjectNames PHP Метод

    public function getProjectNames()
    {
        $projectNames = [];
        foreach ($this->projectParts as $projectPart) {
            if ($projectPart->getProject() instanceof Project) {
                $projectNames[] = $projectPart->getProject()->getName();
            }
        }
        return array_unique($projectNames);
    }