#39839 [NEW]: ctype_alnum function incorrectly

From: lu at icst dot org dot tw Operating system: Fedora Core 3 and 6 PHP version: 5.2.0 PHP Bug Type: Unknown/Other Function Bug description: ctype_alnum function incorrectly Description: ------------ Test on FC3, FC6 ( RedHat Fedora) On FC3, PHP version is 4.3.11 On FC6, PHP version is 5.1.6 $s=""; // debug if (!(ctype_alnum($s))) echo "false<br>"; // return value is not same on FC3 and FC6 -- Edit bug report at http://bugs.php.net/?id=39839&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=39839&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=39839&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=39839&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=39839&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=39839&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=39839&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=39839&r=needscript Try newer version: http://bugs.php.net/fix.php?id=39839&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=39839&r=support Expected behavior: http://bugs.php.net/fix.php?id=39839&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=39839&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=39839&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=39839&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39839&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=39839&r=dst IIS Stability: http://bugs.php.net/fix.php?id=39839&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=39839&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=39839&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=39839&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=39839&r=mysqlcfg