#42611 [NEW]: increment operator (++) on unset overloaded variable not produces 1

From: johnny at netvor dot sk Operating system: all PHP version: 5.2.4 PHP Bug Type: Scripting Engine problem Bug description: increment operator (++) on unset overloaded variable not produces 1 Description: ------------ calling unary increment operator (++) on unset overloaded member variable leaves variable unset instead of setting it to 1 Reproduce code: --------------- <?php class A { public $v; } class B { private $data; public function __set ($name, $value) { $data[$name] = $value; } public function __get ($name) { return $data[$name]; } } $a = new A (); $b = new B (); $a->v++; $b->v++; echo "\$a->v is: {$a->v}<br/>"; echo "\$b->v is: {$b->v}<br/>"; ?> Expected result: ---------------- $a->v is: 1 $b->v is: 1 Actual result: -------------- $a->v is: 1 $b->v is: -- Edit bug report at http://bugs.php.net/?id=42611&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=42611&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=42611&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=42611&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=42611&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=42611&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=42611&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=42611&r=needscript Try newer version: http://bugs.php.net/fix.php?id=42611&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=42611&r=support Expected behavior: http://bugs.php.net/fix.php?id=42611&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=42611&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=42611&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=42611&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42611&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=42611&r=dst IIS Stability: http://bugs.php.net/fix.php?id=42611&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=42611&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=42611&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=42611&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=42611&r=mysqlcfg