#33558 [NEW]: warning with nested calls to functions returning by reference

From: l dot alberton at quipo dot it Operating system: Irrelevant PHP version: 4.4.0RC1 PHP Bug Type: Scripting Engine problem Bug description: warning with nested calls to functions returning by reference Description: ------------ When a function which returns a reference calls another function which returns a reference, the engine complains because the outer function does not return a variable reference. It happens with PHP4.4.0RC2 too. Reproduce code: --------------- <?php function & foo() { $var = 'a'; return $var; } function & bar() { return foo(); } $a =& bar(); ?> Expected result: ---------------- no NOTICEs Actual result: -------------- Notice: Only variable references should be returned by reference in test_ref.php on line 8 -- Edit bug report at http://bugs.php.net/?id=33558&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=33558&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=33558&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=33558&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=33558&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=33558&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=33558&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=33558&r=needscript Try newer version: http://bugs.php.net/fix.php?id=33558&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=33558&r=support Expected behavior: http://bugs.php.net/fix.php?id=33558&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=33558&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=33558&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=33558&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=33558&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=33558&r=dst IIS Stability: http://bugs.php.net/fix.php?id=33558&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=33558&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=33558&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=33558&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=33558&r=mysqlcfg