Bug #71994 [NEW]: Octal escape sequences are not checked for overflow

From: temp at temp dot ru Operating system: Any PHP version: Irrelevant Package: *Compile Issues Bug Type: Bug Bug description:Octal escape sequences are not checked for overflow Description: ------------ Octal escape sequences in double quotes or backticks are not checked for overflow. Test script: --------------- <?php echo ord("\777"[0]) . PHP_EOL; echo ord("\666"[0]) . PHP_EOL; echo ord("\555"[0]) . PHP_EOL; Expected result: ---------------- Some kind of error, because all of \777, \666, \555 sequences are invalid, their value is greater than 255. Actual result: -------------- 255 182 109 -- Edit bug report at https://bugs.php.net/bug.php?id=71994&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=71994&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=71994&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=71994&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=71994&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=71994&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=71994&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=71994&r=needscript Try newer version: https://bugs.php.net/fix.php?id=71994&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=71994&r=support Expected behavior: https://bugs.php.net/fix.php?id=71994&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=71994&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=71994&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=71994&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71994&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=71994&r=dst IIS Stability: https://bugs.php.net/fix.php?id=71994&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=71994&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=71994&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=71994&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=71994&r=mysqlcfg