#38225 [NEW]: ">>" gives unexpected results

From: bretschneider at cleverbridge dot com Operating system: Linux 2.6.12-1.1381_FC3 PHP version: 5.1.4 PHP Bug Type: Unknown/Other Function Bug description: ">>" gives unexpected results Description: ------------ ">>" gives unexpected results Reproduce code: --------------- $x = 0x00FFFF00; printf("0x%8X\n", ($x >> 8)); // I get "0x FFFF" printf("0x%8X\n", ($x << 8) >> 8); // I get 0xFFFFFF00 (bad) printf("0x%8X\n", ($x << 0) >> 8); // I get 0xFFFFFFFF (bad) $x = 0xFFFFFFFF; printf("0x%8X\n", ($x >> 8) << 8); // I get 0xFFFFFF00 (bad) Expected result: ---------------- 0x FFFF 0x FFFF00 0x FFFFFF 0x FFFF00 Actual result: -------------- 0x FFFF 0xFFFFFF00 0xFFFFFFFF 0xFFFFFF00 -- Edit bug report at http://bugs.php.net/?id=38225&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=38225&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=38225&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=38225&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=38225&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=38225&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=38225&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=38225&r=needscript Try newer version: http://bugs.php.net/fix.php?id=38225&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=38225&r=support Expected behavior: http://bugs.php.net/fix.php?id=38225&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=38225&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=38225&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=38225&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=38225&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=38225&r=dst IIS Stability: http://bugs.php.net/fix.php?id=38225&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=38225&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=38225&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=38225&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=38225&r=mysqlcfg