Bug #74873 [NEW]: Minor BC break: PCRE_JIT changes output of preg_match()

From: dmitry Operating system: * PHP version: 7.2.0alpha3 Package: PCRE related Bug Type: Bug Bug description:Minor BC break: PCRE_JIT changes output of preg_match() Description: ------------ Large offsets cause preg_match() to return 0 instead of false Test script: --------------- <?php var_dump(preg_match('/\S+/', 'foo bar', $matches, 0, 99999)); Expected result: ---------------- bool(false) Actual result: -------------- int(0) -- Edit bug report at https://bugs.php.net/bug.php?id=74873&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74873&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74873&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74873&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=74873&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=74873&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=74873&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=74873&r=needscript Try newer version: https://bugs.php.net/fix.php?id=74873&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=74873&r=support Expected behavior: https://bugs.php.net/fix.php?id=74873&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=74873&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=74873&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=74873&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74873&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=74873&r=dst IIS Stability: https://bugs.php.net/fix.php?id=74873&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=74873&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=74873&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=74873&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=74873&r=mysqlcfg