#39018 [NEW]: Error control operator '@' fails to suppress "Uninitialized string offset"

From: mpb dot mail at gmail dot com Operating system: Gentoo Linux PHP version: 5.1.6 PHP Bug Type: Scripting Engine problem Bug description: Error control operator '@' fails to suppress "Uninitialized string offset" Description: ------------ The error control operator '@' fails to suppress (some) "Uninitialized string offset" notices. See example for details. The problem also occurs on with PHP 4.4.x. Reproduce code: --------------- <?php error_reporting (E_ALL | E_NOTICE); $x = 'test'; $x[4]; // No notice at all - compiler optimization?? @$y = $x[4]; // Notice supressed. @'a' == $x[4]; // Notice NOT supressed - but it should be. @$x[4] == 'a'; // Notice NOT supressed - but it should be. (@$x[4]) == 'a'; // Notice NOT supressed - but it should be. (@($x[4])) == 'a'; // Notice NOT supressed - but it should be. @($x[4]) == 'a'; // Notice NOT supressed - but it should be. @($x[4] == 'a'); // Notice supressed. print "Done!\n"; ?> Expected result: ---------------- Done! Actual result: -------------- Notice: Uninitialized string offset: 4 in /home/build/test.php on line 7 Notice: Uninitialized string offset: 4 in /home/build/test.php on line 8 Notice: Uninitialized string offset: 4 in /home/build/test.php on line 9 Notice: Uninitialized string offset: 4 in /home/build/test.php on line 10 Notice: Uninitialized string offset: 4 in /home/build/test.php on line 11 Done! -- Edit bug report at http://bugs.php.net/?id=39018&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=39018&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=39018&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=39018&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=39018&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=39018&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=39018&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=39018&r=needscript Try newer version: http://bugs.php.net/fix.php?id=39018&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=39018&r=support Expected behavior: http://bugs.php.net/fix.php?id=39018&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=39018&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=39018&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=39018&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39018&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=39018&r=dst IIS Stability: http://bugs.php.net/fix.php?id=39018&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=39018&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=39018&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=39018&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=39018&r=mysqlcfg