Bug #53731 [NEW]: Function arguments can only be changed when native values are given.

From: Operating system: Windows 7 x64 PHP version: Irrelevant Package: Scripting Engine problem Bug Type: Bug Bug description:Function arguments can only be changed when native values are given. Description: ------------ The problem with debug_backtrace() is, that only function parameter values which are native types can be changed, but not if the value is an object. Test script: --------------- <?php function errorHandler($level, $msg){ $debug = debug_backtrace(); $debug[1]['args'][0]='1'; return true; } set_error_handler('error'); function a($a){ // E_RECOVERABLE_ERROR var_dump($a); } class A{} a(1); a(2); a(new A()); ?> Expected result: ---------------- int 1 int 1 int 1 Actual result: -------------- int 1 int 1 object A -- Edit bug report at http://bugs.php.net/bug.php?id=53731&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=53731&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=53731&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=53731&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=53731&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=53731&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=53731&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=53731&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=53731&r=needscript Try newer version: http://bugs.php.net/fix.php?id=53731&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=53731&r=support Expected behavior: http://bugs.php.net/fix.php?id=53731&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=53731&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=53731&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=53731&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=53731&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=53731&r=dst IIS Stability: http://bugs.php.net/fix.php?id=53731&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=53731&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=53731&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=53731&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=53731&r=mysqlcfg