Choose one or two code example(s) in chapter 5 and chapter 6, explain the code in detail. Please read your peer classmates' posts and try to select a different example. 2. How to define and call a PHP function? Show us with your own examples. 3. When defining and using PHP classes, what part impressed you? 4. How to iterate a PHP numeric array and a PHP associative array? Show us with examples. Try different approaches. 5. Explore one of the PHP pre-defined array functions or string functions and let us know your findings. Show us with examples. 6. Tell us something you learned in this module that you think are very useful. Rubrics