code: protected function load($locale, $fileName)
  	{
  		// check for already loading
  		if ($this->isFileLoaded($locale, $fileName) === true)
  		{
  			return true;
  		}
  
  		$startTime = microtime(true);
  
  		$file = $this->getPath() . '/' . $locale . '/' . $fileName . '.php';
  		if (file_exists($file) === false)
  		{
  			throw new FileNotFound($this->getPath(), $locale, $fileName);
  		}
  
  		$translationKeys = include $file;
  
  		// not found
  		if ($translationKeys === null || is_array($translationKeys) === false)
  		{
  			throw new InvalidTranslationFile($this->getPath(), $locale, $fileName);
  		}
  
  		// create array index locale
  		if (array_key_exists($locale, $this->translations) === false)
  		{
  			$this->translations[$locale] = [];
  		}
  
  		// create array index file with the translations keys
  		$this->translations[$locale][$fileName] = $translationKeys;
  
  		// log da shit
  		$this->log('Language loaded: ' . $locale . '/' . $fileName . ' (' . number_format(microtime(true) - $startTime, 2, ',', '.') . ')');
  
  		return true;
  	}
docs: loads translations from file
  
  @param string $locale
  @param string $fileName
  @throws FileNotFound
  @throws InvalidTranslationFile
  @return boolean