Re: odd behavior of stripos() with === operator

At 02:33 AM 11/17/2006 , Stut wrote: >Michael wrote: >> I understand that the integer 0 and FALSE are different and I read the manual so many times >> my head hurts, heh. >> >> There are a few ways to work around this, probably more than I know. (according to the >> documentation for strrpos() you could test the return from stripos() for is_bool before using it), >> or (perhaps, cast the return from stripos() to a boolean, although integer 0 probably casts to false >> :/, I honestly didn't test this {see >>>}), or (easiest solution...just suck up and >> use !== FALSE all the time :D ) >> > >I'm not understanding what you need to work around. What's wrong with >using !== false? Nothing at all wrong with using "!== FALSE" :) I am doing so NOW :) However, I DIDN'T know that (integer) 0 !== FALSE and (integer) 0 === TRUE are not the same thing, perhaps someone else will gain from my experience here. > >> My point in posting this was threefold, >> 1) to help others who may not know that stripos() returns an INTEGER 0 when the needle is >> found at the beginning of haystack, and/or don't realize the implications of that. >> > >The manual page for strpos and any other function that may return 0 or >false clearly make this point. > >> 2) My main point is that !== works, so should ===. If !== knows the difference between >> integer 0 and boolean FALSE, why doesn't ===? >> > >It does, but it also knows the difference between 1 and true, 2 and >true, 3 and true, etc. > >> 3) to get feedback from the community and deepen my understanding of PHP. > >I'm trying ;) I appreciate your efforts :) Thanks again! > >-Stut >