Bug #53972 [NEW]: Operator Type Casting Issue

From: Operating system: Linux/Windows PHP version: 5.3.5 Package: *General Issues Bug Type: Bug Bug description:Operator Type Casting Issue Description: ------------ Following code snippet -- Case 1: $a = (int)((0.1+0.7) * 10); echo $a; // Result: 7 (Wrong) should give 8 Case 2: $a = (int)((0.1+0.6) * 10); echo $a; // Result: 7 Case 3: $a = (int)((0.1+0.8) * 10); echo $a; // Result: 9 Test script: --------------- $a = (int)((0.1+0.7) * 10); echo $a; Expected result: ---------------- 8 Actual result: -------------- 7 -- Edit bug report at http://bugs.php.net/bug.php?id=53972&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=53972&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=53972&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=53972&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=53972&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=53972&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=53972&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=53972&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=53972&r=needscript Try newer version: http://bugs.php.net/fix.php?id=53972&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=53972&r=support Expected behavior: http://bugs.php.net/fix.php?id=53972&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=53972&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=53972&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=53972&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=53972&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=53972&r=dst IIS Stability: http://bugs.php.net/fix.php?id=53972&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=53972&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=53972&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=53972&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=53972&r=mysqlcfg