Re: Numerical string comparison - octal and hex.

2010/1/13 hack988 hack988 <hack988@dev.htwap.com>: > I think it's not an but! > you must read carefuly about "Single quoted" and "Double quoted" > > 2010/1/14 Richard Quadling <rquadling@googlemail.com>: >> Hello. >> >> In looking at numer vs string comparison, I think I've found an oddity. >> >> You can successfully compare hex strings ... >> >> var_dump(255 == '0xff'); >> >> but not octal strings ... >> >> var_dump(63 == '077'); >> >> >> Is this a bug (lack of octal support) or an unexpected feature (hex support)? >> >> >> Neither formats are documented in [1]. >> >> >> Regards, >> >> Richard. >> >> [1] >> http://docs.php.net/manual/en/language.types.string.php#language.types.string.conversion Not sure you've got what I'm saying ... <?php var_dump(255 == '0xff'); var_dump(63 == '077'); var_dump(255 == "0xff"); var_dump(63 == "077"); ?> outputs ... bool(true) bool(false) bool(true) bool(false) Single/double quotes don't come into the issue. -- ----- Richard Quadling "Standing on the shoulders of some very clever giants!" EE : http://www.experts-exchange.com/M_248814.html Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731 ZOPA : http://uk.zopa.com/member/RQuadling