note 63854 deleted from language.functions by bjori

Note Submitter: Reason: bad code ---- PHP apparently doesn't have anything equivalent to the C functions odd() and even() for testing the nature of integers. I can't think of a cheaper way to implement them than these (2 one-bit shifts and a compare): function even($v) { return ((($v>>1)<<1)==$v) ; } function odd($v) { return ((($v>>1)<<1)<$v) ; } (I note that there's also no obviously correct place to offer functions like this. If there were a section called 'Integer Functions' that would be a logical place, but there isn't. Since this is not an isolated problem, perhaps whoever's maintaining this online documentation could add a section called 'Contributed Functions That Don't Fit Anywhere Else' :-) )