物件導向Object-Oriented的相關參考

http://expect7.pixnet.net/blog/post/38697222

http://www.php5.idv.tw/html.php?mod=article&do=show&shid=73

http://net.tutsplus.com/tutorials/php/object-oriented-php-for-beginners/comment-page-1/#comments

http://samueltsai.com/2012/01/18/php-object-oriented/

http://www.slideshare.net/jaceju/php-1104882

http://phpwolf.blogspot.tw/2011/05/php.html