Bug #66089 [NEW]: The result of post-increment/post-decrement operation is included in result

From: alexanderhook at gmail dot com Operating system: Windows, Ubuntu PHP version: 5.4.21 Package: Variables related Bug Type: Bug Bug description:The result of post-increment/post-decrement operation is included in result Description: ------------ In some cases, if variable is has participation in expression with post-increment, then the result of post-increment operation is included in the result of the whole expression. Test script: --------------- $i = 1; $sum = $i + ($i++); //3 , but should be 2 $i = 1; $sum = 0 + $i + ($i++); //2 , correct $i = 1; $sum = $i + $i + ($i++); //3 , correct $i = 1; $sum = $i + $i--; // 1 $i = 1; $sum = 0 + $i + $i--; // 2 $i = 1; $sum = $i + $i + $i--; // 3 Expected result: ---------------- $i = 1; $sum = $i + ($i++); //2 $i = 1; $sum = 0 + $i + ($i++); //2 $i = 1; $sum = $i + $i + ($i++); //3 $i = 1; $sum = $i + $i--; // 2 $i = 1; $sum = 0 + $i + $i--; // 2 $i = 1; $sum = $i + $i + $i--; // 3 -- Edit bug report at https://bugs.php.net/bug.php?id=66089&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=66089&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=66089&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=66089&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=66089&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=66089&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=66089&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=66089&r=needscript Try newer version: https://bugs.php.net/fix.php?id=66089&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=66089&r=support Expected behavior: https://bugs.php.net/fix.php?id=66089&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=66089&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=66089&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=66089&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=66089&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=66089&r=dst IIS Stability: https://bugs.php.net/fix.php?id=66089&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=66089&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=66089&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=66089&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=66089&r=mysqlcfg