#45733 [NEW]: __get, __set error when undefined class member

From: Date: Wed, 06 Aug 2008 14:28:02 +0000
Subject: #45733 [NEW]: __get, __set error when undefined class member
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-127663@lists.php.net to get a copy of this message
From: twilek at twilek dot hu Operating system: Ubuntu Linux PHP version: 5.2.6 PHP Bug Type: Reproducible crash Bug description: __get, __set error when undefined class member Description: ------------ When i call the __get or __set with an invalid member variable, the php interpreter is crash. If i check the name with isset() then no crash! PHP Version 5.2.4-2ubuntu5.3 (newest version in ubuntu) Reproduce code: --------------- class Test { private $mVar = "var"; public function __get( $name ) { $name = "m" . $name; // if ( !isset( $this->$name ) ) return ""; //NO CRASH!! return $this->$name; } public function __set( $name, $value ) { $name = "m" . $name; // if ( !isset( $this->$name ) ) return; //NO CRASH!! $this->$name = $value; echo( "Set: \$this->" . $name . " = " . $value ); } } $t = new Test; echo "Good: " . $t->Var; echo "Bad: " . $t->Variable; $t->Variable = "test"; Expected result: ---------------- Good: "var" Bad: "" Set: $this->Variable = "test" Actual result: -------------- exit signal Segmentation fault (11) -- Edit bug report at http://bugs.php.net/?id=45733&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=45733&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=45733&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=45733&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=45733&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=45733&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=45733&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=45733&r=needscript Try newer version: http://bugs.php.net/fix.php?id=45733&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=45733&r=support Expected behavior: http://bugs.php.net/fix.php?id=45733&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=45733&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=45733&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=45733&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=45733&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=45733&r=dst IIS Stability: http://bugs.php.net/fix.php?id=45733&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=45733&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=45733&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=45733&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=45733&r=mysqlcfg

« previous php.bugs (#127663) next »