In this lesson our instructor talks about variable-length parameter lists. First, he discusses variable length parameter lists and variable type functions. Then he talks about is_int (), is_float (), is_string (), and is_bool() arrays. He also talks about the is_array(), is_null(), and is_numeric(). He ends the lesson with a helpful homework challenge.
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.