#45353 [NEW]: += Operand Empties Variable

From: phpbugs dot mp7jir at stevenroddis dot com Operating system: Windows XP PHP version: 5.2.6 PHP Bug Type: Scripting Engine problem Bug description: += Operand Empties Variable Description: ------------ += operand empties variable, see code for more details. Reproduce code: --------------- <?php //Running PHP Version 5.2.6 on Windows XP $foo = '_123'; $bar = ''; $foo += $bar; echo $foo; ?> Expected result: ---------------- _123 Actual result: -------------- <nothing> Checked with a debugger, $foo += $bar; makes $foo = null; -- Edit bug report at http://bugs.php.net/?id=45353&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=45353&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=45353&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=45353&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=45353&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=45353&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=45353&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=45353&r=needscript Try newer version: http://bugs.php.net/fix.php?id=45353&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=45353&r=support Expected behavior: http://bugs.php.net/fix.php?id=45353&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=45353&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=45353&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=45353&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=45353&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=45353&r=dst IIS Stability: http://bugs.php.net/fix.php?id=45353&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=45353&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=45353&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=45353&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=45353&r=mysqlcfg