Bug #73613 [NEW]: Not warning if length == 0

From: ua dot san dot alex at gmail dot com Operating system: PHP version: 7.1.0RC6 Package: Strings related Bug Type: Bug Bug description:Not warning if length == 0 Description: ------------ Not warning if length == 0 https://3v4l.org/jcDIo Test script: --------------- <?php substr_count('haystack', 'needle', 0, 0); -- Edit bug report at https://bugs.php.net/bug.php?id=73613&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73613&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73613&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73613&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73613&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73613&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73613&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73613&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73613&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73613&r=support Expected behavior: https://bugs.php.net/fix.php?id=73613&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73613&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73613&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73613&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73613&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73613&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73613&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73613&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73613&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73613&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73613&r=mysqlcfg