Problems with database methods in a class

[poweeuser]

I've signed up for a Lynda.com course that includes OO PHP application development having previously only worked on procedural applications. The course uses procedural code with function calls to implement a connection to an existing MySQL database and then advocates use of the same code as a method of a database class. The function version successfully makes use of connection constants such as database and username in an external 'include' file but the method version insists in having the constants defined in the same physical file otherwise it generates warnings about undeclared constants.

Why ? / how do I fix it?

[seandisanti]

I've gone through those same examples recently. the database.php requires config.php in the first line. That brings in the constants.

[poweeuser]

OK, I've learnt a valuable lesson, the require location in the database.php file has to be relative to the index.php not the database.php file itself ie '../includes/config.php' - which is not intuitive, nor mentioned in the course material

[seandisanti]

at least you learned it now rather than working on a big project.