Bug #73864 [NEW]: '3.' is considered as a numeric string

From: mumu at seznam dot cz Operating system: Windows 10 PHP version: 7.1.0 Package: Unknown/Other Function Bug Type: Bug Bug description:'3.' is considered as a numeric string Description: ------------ '3.' is evaluated as a numeric string even it is not a valid number. Test script: --------------- <?php echo '3. ' . (is_numeric('3.') ? 'IS' : 'IS NOT') . ' numeric'; ?> Expected result: ---------------- is_numeric('3.') returns false. Actual result: -------------- is_numeric('3.') returns true. -- Edit bug report at https://bugs.php.net/bug.php?id=73864&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73864&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73864&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73864&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73864&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73864&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73864&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73864&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73864&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73864&r=support Expected behavior: https://bugs.php.net/fix.php?id=73864&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73864&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73864&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73864&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73864&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73864&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73864&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73864&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73864&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73864&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73864&r=mysqlcfg