what is an absolute path? what is a relative path?
what is the difference between include() and require()?
what is the difference between include() and include_once()? which function should you generally avoid using and why?
why does it not matter what extension is used for an included file?
what is the signicance of the $_SERVER['REQUEST_METHOD'] value?
what is the syntax for defining a function that takes arguments with default values? How do default values impact how te function can be called?
Create a new html template for the pages in this chapter. Use that new template as the basis for new header and footer files. By doing so, you should be able to change the look of the entire site without modifying any of the php scripts.
change calculator.php so that it uses a constant in lieu of the hard-coded average speed of 65.(as written, the average speed is a "magic number": a value used in a script without explanation.)
what is the difference between include() and require()?
what is the difference between include() and include_once()? which function should you generally avoid using and why?
why does it not matter what extension is used for an included file?
what is the signicance of the $_SERVER['REQUEST_METHOD'] value?
what is the syntax for defining a function that takes arguments with default values? How do default values impact how te function can be called?
Create a new html template for the pages in this chapter. Use that new template as the basis for new header and footer files. By doing so, you should be able to change the look of the entire site without modifying any of the php scripts.
change calculator.php so that it uses a constant in lieu of the hard-coded average speed of 65.(as written, the average speed is a "magic number": a value used in a script without explanation.)