File::getContents

public function getContents()
{
	$data = parent::getContents();

	if (is_string($data))
	{
		// encoding
		$targetEncoding = $this->getOperatingEncoding();
		$sourceEncoding = $this->getSourceEncoding();
		if ($targetEncoding != $sourceEncoding)
		{
			$data = MainTextEncoding::convertEncoding($data, $sourceEncoding, $targetEncoding);
		}
	}

	return $data;
}