#36938 [NEW]: Type casting on boolean expressions doesn't work

From: daniele_dll at yahoo dot it Operating system: Windows XP SP2 - Fedora Core 4 PHP version: 5.1.2 PHP Bug Type: Scripting Engine problem Bug description: Type casting on boolean expressions doesn't work Description: ------------ Type casting a value on an if doesn't work! If i compare a string value with the same value type casted to an int and this string doesn't contains a numeric value i recive a true from the boolean expression! I've tried many combinations but all return the same result Thanks for the help Reproduce code: --------------- <?php $valore = 'qwerty'; if ($valore == (int)$valore) { echo "variable contains a valid numeric value!"; } else { echo "variable doesn't contains a valid numeric value!"; } ?> Expected result: ---------------- $valore == (int)$valore --> FALSE variable doesn't contains a valid numeric value! Actual result: -------------- $valore == (int)$valore --> TRUE variable contains a valid numeric value! -- Edit bug report at http://bugs.php.net/?id=36938&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=36938&r=trysnapshot44 Try a CVS snapshot (PHP 5.1): http://bugs.php.net/fix.php?id=36938&r=trysnapshot51 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=36938&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=36938&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=36938&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=36938&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=36938&r=needscript Try newer version: http://bugs.php.net/fix.php?id=36938&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=36938&r=support Expected behavior: http://bugs.php.net/fix.php?id=36938&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=36938&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=36938&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=36938&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=36938&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=36938&r=dst IIS Stability: http://bugs.php.net/fix.php?id=36938&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=36938&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=36938&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=36938&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=36938&r=mysqlcfg