#40413 [NEW]: is_nan(1/0) and is_infinity(1/0) both return False

From: ffrinton at gmail dot com Operating system: All PHP version: 4.4.4 PHP Bug Type: Math related Bug description: is_nan(1/0) and is_infinity(1/0) both return False Description: ------------ I think the summary says it all. Reproduce code: --------------- See summary. Expected result: ---------------- The opposite to what actually happens. Actual result: -------------- See summary -- Edit bug report at http://bugs.php.net/?id=40413&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40413&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40413&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40413&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40413&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40413&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40413&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40413&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40413&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40413&r=support Expected behavior: http://bugs.php.net/fix.php?id=40413&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40413&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40413&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40413&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40413&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40413&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40413&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40413&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40413&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40413&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40413&r=mysqlcfg