Bug #72839 [NEW]: is_numeric returns false for hex strings

From: Alexander dot Blum at gmail dot com Operating system: Ubuntu 16.04 PHP version: 7.1Git-2016-08-15 (Git) Package: Unknown/Other Function Bug Type: Bug Bug description:is_numeric returns false for hex strings Description: ------------ With PHP7 is_numeric reports false when passing hexadecimal strings, it worked fine in PHP5 Test script: --------------- var_dump (is_numeric ("0x111")) Expected result: ---------------- bool(true) Actual result: -------------- bool(false) -- Edit bug report at https://bugs.php.net/bug.php?id=72839&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=72839&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=72839&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=72839&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=72839&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=72839&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=72839&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=72839&r=needscript Try newer version: https://bugs.php.net/fix.php?id=72839&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=72839&r=support Expected behavior: https://bugs.php.net/fix.php?id=72839&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=72839&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=72839&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=72839&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72839&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=72839&r=dst IIS Stability: https://bugs.php.net/fix.php?id=72839&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=72839&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=72839&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=72839&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=72839&r=mysqlcfg