Hi, how do i tell a function which arguments can be passed and which must be passed...
example:
function func($arga, $argb, $argc)
{
do_something_with_arga;
do_another_thing_with_argb;
and_if_argc_was_passed_do_something_with_it_too;
}
because i dont want to pass argc if i dont need it, and to pass void arguments like ''
is annoying...

