Bug #75089 [NEW]: preg_grep() is not reporting PREG_BAD_UTF8_ERROR

From: david at grudl dot com Operating system: PHP version: 7.2.0beta3 Package: PCRE related Bug Type: Bug Bug description:preg_grep() is not reporting PREG_BAD_UTF8_ERROR Description: ------------ preg_grep() is not reporting PREG_BAD_UTF8_ERROR test script: https://3v4l.org/3aY3r Test script: --------------- <?php preg_grep('#\d#u', ['a', "1\xFF", 'c']); // array contains invalid utf-8 string var_dump(preg_last_error()); // returns PREG_BAD_UTF8_ERROR in PHP < 7.2 and 0 in PREG_NO_ERROR in PHP 7.2 Expected result: ---------------- PREG_BAD_UTF8_ERROR Actual result: -------------- PREG_NO_ERROR -- Edit bug report at https://bugs.php.net/bug.php?id=75089&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75089&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75089&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75089&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75089&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75089&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75089&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75089&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75089&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75089&r=support Expected behavior: https://bugs.php.net/fix.php?id=75089&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75089&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75089&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75089&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75089&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75089&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75089&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75089&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75089&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75089&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75089&r=mysqlcfg