Req #60831 [NEW]: Optimization

From: Operating system: no matter PHP version: 5.4.0RC6 Package: *Programming Data Structures Bug Type: Feature/Change Request Bug description:Optimization Description: ------------ First sorry for my English, it's not perfect. In this case if($a==1 and $b==2) { echo 'hello there'; } I think $b==2 checking is unnecessary if $a==1 it's not true. PHP will be faster. -- Edit bug report at https://bugs.php.net/bug.php?id=60831&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=60831&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=60831&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=60831&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=60831&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=60831&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=60831&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=60831&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=60831&r=needscript Try newer version: https://bugs.php.net/fix.php?id=60831&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=60831&r=support Expected behavior: https://bugs.php.net/fix.php?id=60831&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=60831&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=60831&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=60831&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=60831&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=60831&r=dst IIS Stability: https://bugs.php.net/fix.php?id=60831&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=60831&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=60831&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=60831&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=60831&r=mysqlcfg