// One optional argument: it must be last
function page_header5($color, $title, $header = 'Welcome') {
print 'Welcome to ' . $title . ' ';
print '';
print "$header
";
}
// Acceptable ways to call this function:
page_header5('66cc99','my wonderful page'); // uses default $header
page_header5('66cc99','my wonderful page','This page is great!'); // no defaults
?>