Bug #78122 [NEW]: preg_split returns false since PHP 7.3.5 instead of array

From: nicolas dot grekas+php at gmail dot com Operating system: PHP version: 7.3.6 Package: PCRE related Bug Type: Bug Bug description:preg_split returns false since PHP 7.3.5 instead of array Description: ------------ On 7.3.5 and 7.3.6 Test script: --------------- var_export(preg_split('//iu', chr(226).'foo')); Expected result: ---------------- array ( 0 => '�foo', ) Actual result: -------------- false -- Edit bug report at https://bugs.php.net/bug.php?id=78122&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78122&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78122&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78122&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78122&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78122&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78122&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78122&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78122&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78122&r=support Expected behavior: https://bugs.php.net/fix.php?id=78122&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78122&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78122&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78122&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78122&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78122&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78122&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78122&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78122&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78122&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78122&r=mysqlcfg