Samples of real world original, clean, commented PHP5 scripts needed

********* Quick 10 minutes job for someone with an extensive portfolio in PHP5 ********* I am creating an exercise module for an app for educational purpose. Students have to go through real world, fairly complex PHP5 code and fill in comments. For this, I need 10-15 custom made, clean, commented PHP5 scripts, written by you, which have not been copied or modified slightly from the popular PHP open source projects like Wordpress, Joomla, Moodle etc. Please mention #OriginalScripts in your bid. The scripts should be >600 lines and more than 80% PHP5 technology (roughly) and not filled majorly with HTML5, JavaScript, JSON and array data declaration. In short, the scripts should be original, predominantly PHP5 and serve some real world function. Please bid with one link to a PHP5 script which satisfies the above conditions, to show that you have understood the requirements clearly. In case you have any questions, feel free to ask and I will clarify all doubts. If I need some help understanding the scripts, there will be repeat private job for the winning bidder. I will close this project today, so bid only if you can finish immediately after getting accepted. It really is a 10 minute job.