#35599 [NEW]: variable variables($$s) allow bypassing variable name syntax

From: shri_phadte at yahoo dot co dot in Operating system: any PHP version: 5.1.1 PHP Bug Type: Scripting Engine problem Bug description: variable variables($$s) allow bypassing variable name syntax Description: ------------ when i assign a value to a variable using the contents of some other variable probably it does not check for validity of variable name and assigns value to it. Reproduce code: --------------- error_reporting(E_ALL); $test= 111 ; $$test="This Should Not Be Allowed"; echo $$test; Expected result: ---------------- should be a parse error because a variable name is an integer Actual result: -------------- This Should Not Be Allowed -- Edit bug report at http://bugs.php.net/?id=35599&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=35599&r=trysnapshot44 Try a CVS snapshot (PHP 5.1): http://bugs.php.net/fix.php?id=35599&r=trysnapshot51 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=35599&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=35599&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35599&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35599&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35599&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35599&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35599&r=support Expected behavior: http://bugs.php.net/fix.php?id=35599&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35599&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35599&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35599&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35599&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35599&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35599&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35599&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35599&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35599&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35599&r=mysqlcfg