#34645 [NEW]: Calling ctype_digit() with integer value sets variable value to NULL

From: spheroid@php.net Operating system: Debian GNU/Linux 2.4.27-2 PHP version: 5.1.0RC1 PHP Bug Type: Variables related Bug description: Calling ctype_digit() with integer value sets variable value to NULL Description: ------------ I know I shouldn't call ctype_digit() with integer values but strings. However, the variable value shouldn't be set to NULL when its passed to the function, right? :-) Reproduce code: --------------- <?php $id = 394829384; var_dump($id); ctype_digit($id); var_dump($id); ?> Expected result: ---------------- int(394829384) int(394829384) Actual result: -------------- int(394829384) NULL -- Edit bug report at http://bugs.php.net/?id=34645&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=34645&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=34645&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=34645&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=34645&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=34645&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=34645&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=34645&r=needscript Try newer version: http://bugs.php.net/fix.php?id=34645&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=34645&r=support Expected behavior: http://bugs.php.net/fix.php?id=34645&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=34645&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=34645&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=34645&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=34645&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=34645&r=dst IIS Stability: http://bugs.php.net/fix.php?id=34645&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=34645&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=34645&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=34645&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=34645&r=mysqlcfg