Ha ha --- I should have thought to search for that! It seems to be a bit light on advice in places. e.g. the section on comparison operators lightly mentions t

Ha ha --- I should have thought to search for that! It seems to be a bit light on advice in places. e.g. the section on comparison operators lightly mentions the difference between == and === but doesn't say anything about when they should be used. As that's one of the traditional PHP gotchas I would have expected more there. Anyway, thanks; I'll check it out.