code: function getEncoding() {
  		$root = $this->getRoot();
  		if ($root !== null) {
  			if ($enc = $root->select('meta[charset]', 0, true, true)) {
  				return $enc->getAttribute("charset");
  			} elseif ($enc = $root->select('"?xml"[encoding]', 0, true, true)) {
  				return $enc->getAttribute("encoding");
  			} elseif ($enc = $root->select('meta[content*="charset="]', 0, true, true)) {
  				$enc = $enc->getAttribute("content");
  				return substr($enc, strpos($enc, "charset=")+8);
  			}
  		}
  
  		return false;
  	}
docs: Try to determine the encoding of the current tag
  @return string|bool False if encoding could not be found