#31529 [NEW]: Can not escape Vars

From: david at 21stcd dot com Operating system: windows xp PHP version: 4.3.8 PHP Bug Type: Scripting Engine problem Bug description: Can not escape Vars Description: ------------ The problem comes from the use of var substitution or addtion to strings that you are trying to "escape" I find this problem when trying to create escaped hex strings to write data to sockets. Reproduce code: --------------- <?PHP $hex = "FF"; echo "\x$hex"; ?> Expected result: ---------------- ÿ Actual result: -------------- \xFF -- Edit bug report at http://bugs.php.net/?id=31529&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=31529&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=31529&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=31529&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=31529&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=31529&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=31529&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=31529&r=needscript Try newer version: http://bugs.php.net/fix.php?id=31529&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=31529&r=support Expected behavior: http://bugs.php.net/fix.php?id=31529&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=31529&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=31529&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=31529&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=31529&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=31529&r=dst IIS Stability: http://bugs.php.net/fix.php?id=31529&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=31529&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=31529&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=31529&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=31529&r=mysqlcfg