When you execute a PHP script from another PHP script and pass data using URL parameters, those parameters are visible on the address bar. A user can see and change the parameters. It's possible ...

It is often useful to be able to call a function or methods using named parameters. For example to only pass a different value for the nth default parameter. PHP does not allow to do that, this ...

This PHP code demonstrates a common error in function parameter handling. The function correctly handles null and string types but throws an exception for other types ...