Charles R. Portwood II has over 10 years of experience in developing modern web applications and is well versed in integrating PHP with native mobile applications. An avid proponent for the Yii framework and open source software, Charles has contributed multiple guides, extensions, and applications to the Yii community. In addition to being a programmer, he is also a Linux system administrator. When not in front of a computer, he can be found writing stories, photographing nature, or spending time with his wife.