Bug #77165 [NEW]: mb_check_encoding crashes when argument given an empty array

From: youkidearitai at gmail dot com Operating system: Linux PHP version: 7.3.0RC5 Package: Reproducible crash Bug Type: Bug Bug description:mb_check_encoding crashes when argument given an empty array Description: ------------ mb_check_encoding is crashing when first argument given an empty array. It is also "Process exited with code 139" on https://3v4l.org/Yd42T Test script: --------------- var_dump(mb_check_encoding(array())); Expected result: ---------------- bool(true) Actual result: -------------- Segmentation fault -- Edit bug report at https://bugs.php.net/bug.php?id=77165&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77165&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77165&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77165&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77165&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77165&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77165&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77165&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77165&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77165&r=support Expected behavior: https://bugs.php.net/fix.php?id=77165&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77165&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77165&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77165&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77165&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77165&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77165&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77165&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77165&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77165&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77165&r=mysqlcfg