eZ\Bundle\EzPublishCoreBundle\ApiLoader\SignalSlot\SignalDispatcherFactory::getSearchEngineAlias PHP Method

    public function getSearchEngineAlias()
    {
        if ($this->repositoryAlias === null) {
            $aliases = array_keys($this->repositoriesSettings);
            $this->repositoryAlias = array_shift($aliases);
        }
        return isset($this->repositoriesSettings[$this->repositoryAlias]['search']['engine']) ? $this->repositoriesSettings[$this->repositoryAlias]['search']['engine'] : '';
    }