eZ\Publish\Core\Persistence\Legacy\Content\Language\Cache::getAll PHP Method

    public function getAll()
    {
        return $this->mapByLocale;
    }

 /**
  * Get all languages.
  *
  * @return \eZ\Publish\SPI\Persistence\Content\Language[]
  */
 public function loadAll()
 {
     $this->initializeCache();
     return $this->languageCache->getAll();
 }