Re: isset, empty, "" and the like

> Yes, interesting indeed. Similar information also exists > in a few user comments so perhaps it's time to put a table > like this in the manual :) Appendix or faq? Some > additions to php_cheat_sheet: > > a) Add boolean true to first table > b) empty() handling of "0" changed in php4 > c) forms only pass strings > d) When E_NOTICE errors will result > e) Difference of isset() and array_key_exists() > in terms of how they treat NULL values. > f) Add NULL to comparison tables > g) Briefly mention and/or point to types section > h) Mention ! > i) Some other stuff no doubt... Cool :) It would be nice to have all these information in the manual. IMHO, this may fit in language/variables, as some of these are core information (like forms only pass strings)... > The color changes really help make it clearer and easier > to read, let's use a similar color scheme instead of the > &true; and &false; entities. Well, this may not be too hard to accomplish, but I don't know how to do it right now... Goba