lib/PHPExif/Exif.php
public function getCopyright()
    {
        if (!isset($this->data[self::COPYRIGHT])) {
            return false;
        }

        return $this->data[self::COPYRIGHT];
    }
public function getCopyright()
    {
        if (!isset($this->data[self::COPYRIGHT])) {
            return false;
        }

        return $this->data[self::COPYRIGHT];
    }
Returns the copyright, if it exists

@return string|boolean