Bug #80360 [NEW]: Unicode character property \p{L} truncates match

From: benjamin dot morel at gmail dot com Operating system: Ubuntu 18 PHP version: 7.4.12 Package: PCRE related Bug Type: Bug Bug description:Unicode character property \p{L} truncates match Description: ------------ When using \p{L} on accented letters, the resulting match is truncated and therefore invalid UTF-8. Examples: à = C3A0 is returned as C3 é = C3A9 is returned as C3 Test script: --------------- $str = 'Voilà déjà'; display($str); preg_match_all('/\p{L}+/', $str, $matches); foreach ($matches[0] as $match) { display($match); } function display($str) { echo bin2hex($str), ' '; var_export(mb_check_encoding($str, 'UTF-8')); echo PHP_EOL; } Expected result: ---------------- 566f696cc3a02064c3a96ac3a0 true 566f696cc3a0 true 64c3a9 true 6ac3a0 true Actual result: -------------- 566f696cc3a02064c3a96ac3a0 true 566f696cc3 false 64c3 false 6ac3 false -- Edit bug report at https://bugs.php.net/bug.php?id=80360&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=80360&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=80360&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=80360&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=80360&r=needscript Try newer version: https://bugs.php.net/fix.php?id=80360&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=80360&r=support Expected behavior: https://bugs.php.net/fix.php?id=80360&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=80360&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=80360&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=80360&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=80360&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=80360&r=dst IIS Stability: https://bugs.php.net/fix.php?id=80360&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=80360&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=80360&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=80360&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=80360&r=mysqlcfg