yii\console\controllers\FixtureController::getFixturesConfig PHP Method

    private function getFixturesConfig($fixtures)
    {
        $config = [];
        foreach ($fixtures as $fixture) {
            $isNamespaced = strpos($fixture, '\\') !== false;
            $fullClassName = $isNamespaced ? $fixture . 'Fixture' : $this->namespace . '\\' . $fixture . 'Fixture';
            if (class_exists($fullClassName)) {
                $config[] = $fullClassName;
            }
        }
        return $config;
    }