protected static function readFile($pathRaw) {
		$path = realpath($pathRaw);
		
		if ($path === false) {
			throw new UnableToRead('File "' . $pathRaw . '" not found or inaccessible');
		}
		
		$content = file_get_contents($path);
		
		if ($content === false) {
			throw new UnableToRead('Unable to read the file "' . $path . '"');
		}
		
		return $content;
	}