PHP Lesson 28 - Working with the ISSET Function
In this lesson I use the ISSET function to avoid errors in working with the data submitted by a form. Until the form is submitted the POST information does not yes exist. The ISSET function will check to see if a variable has been set.
This video is part of a series on PHP Development. This PHP Development series is designed to teach both current and new programmers web development techniques in a step-by-step guided approach. Any images used are part of the Creative Commons License. For more information visit Lecture Snippets at http://lecturesnippets.com.
