Re: Unicode chars allowed in numbers?

Hi Andrei, All right, glad I checked. I had a few things in mind to optimize is_numeric_string/unicode, and it's fairly straightforward in _string, but would just make things slower if u_* functions were needed to do the same in _unicode, so I was going to rethink it. Now whatever I come up with can be easily copied to the _unicode version with just minor changes... Thanks, Matt ----- Original Message ----- From: "Andrei Zmievski" Sent: Friday, November 10, 2006 > > Hi Andrei, et al., > > > > I was just looking at README.UNICODE, regarding interpretation of > > numbers: > > "we restrict numbers to consist only of ASCII digits," and "Numeric > > strings > > are supposed to adhere to the same rules." Is it correct to take > > that to > > mean only UChar's with values from '0'-'9'/0x30-0x39 (and > > 'a'-'z' > > equivalents for bases > 10)? > > Correct. > > > I ask because in zend_u_strtol(), HANDLE_U_NUMERIC() for array > > keys, etc., > > the u_digit() function is used, which also allows non-ASCII, higher- > > value > > digit characters, doesn't it? But then in is_numeric_unicode(), when > > checking for hex numbers, the ASCII values '0' and 'x' are used, > > which is > > what I'd expect after reading README.UNICODE. > > You're correct here again, u_digit() should not be used there. > > -Andrei