From: wdolek at gmail dot com Operating system: GNU/Linux PHP version: 5.2.11 PHP Bug Type: Feature/Change Request Bug description: undefined constant is consider to be string
Description: ------------ when using undefined constant, PHP consider name of constant to be string. when using this constant in if () or anywhere else, string value is cast as TRUE, which could confuse developer Reproduce code: --------------- // define('MY_DEFINED_CONSTANT', FALSE); if (MY_DEFINED_CONSTANT) { echo 'value of constant is TRUE'; } else { echo 'value of constant is FALSE'; } Expected result: ---------------- * error or at least warning, that we are using undefined constant * Actual result: -------------- value of constant is TRUE -- Edit bug report at http://bugs.php.net/?id=50331&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=50331&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=50331&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=50331&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=50331&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=50331&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=50331&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=50331&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=50331&r=needscript Try newer version: http://bugs.php.net/fix.php?id=50331&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=50331&r=support Expected behavior: http://bugs.php.net/fix.php?id=50331&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=50331&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=50331&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=50331&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=50331&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=50331&r=dst IIS Stability: http://bugs.php.net/fix.php?id=50331&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=50331&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=50331&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=50331&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=50331&r=mysqlcfg