Dealing with large classes over several files

This may well have come up before as it is an obvious problem/question. Coming from a C++ background, I define a class in a header file and define the functions for that class in a seperate source file. Now the question: is this possible in PHP4? I have tried the obvious: // myclass.inc.php class foo { // constructor and destructor function f () {} } // myclass.php function foo::f () { // define here } This gives me an error: unexpected T_PAAMAYIM_NEKUDOTAYIM Is this possible in PHP4, and if not, why not? It's an obvious problem, namely for code management. -Callum Urquhart www.pastecode.net