Bug #74725 [NEW]: html_errors=1 breaks unhandled exceptions

From: anrdaemon at freemail dot ru Operating system: All PHP version: 7.1.6 Package: Scripting Engine problem Bug Type: Bug Bug description:html_errors=1 breaks unhandled exceptions Description: ------------ When a non-UTF-8 message is passed to the thrown exception, and exception is unhandled, the resulting output of the internal exception handler is missing exception's information (message/backtrace). Regression since PHP 5.4 Reproducible with at least CLI, FCGI and FPM SAPI's, on Debian and Windows. Ref: https://3v4l.org/Ah2XP Test script: --------------- <?php ini_set('display_errors', 1); ini_set('html_errors', 1); ini_set('default_charset', "Windows-1251"); throw new Exception("\xF2\xE5\xF1\xF2"); // "тест" Expected result: ---------------- <br /> <b>Fatal error</b>: Uncaught exception 'Exception' with message 'тест' in /path/file:5 Stack trace: #0 {main} thrown in <b>/path/file</b> on line <b>5</b><br /> Process exited with code 255. Actual result: -------------- <br /> <b>Fatal error</b>: in <b>/path/file</b> on line <b>5</b><br /> Process exited with code 255. -- Edit bug report at https://bugs.php.net/bug.php?id=74725&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74725&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74725&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74725&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=74725&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=74725&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=74725&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=74725&r=needscript Try newer version: https://bugs.php.net/fix.php?id=74725&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=74725&r=support Expected behavior: https://bugs.php.net/fix.php?id=74725&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=74725&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=74725&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=74725&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74725&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=74725&r=dst IIS Stability: https://bugs.php.net/fix.php?id=74725&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=74725&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=74725&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=74725&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=74725&r=mysqlcfg