Bug #68119 [NEW]: mb_detect_encoding can not detect encoding rightly

From: zf at ancientrock dot org Operating system: Linux PHP version: master-Git-2014-09-30 (Git) Package: mbstring related Bug Type: Bug Bug description:mb_detect_encoding can not detect encoding rightly Description: ------------ mb_detect_encoding can not detect encoding rightly $str1 = hex2bin('e58da0e6a5bc'); $str2 = hex2bin('d5bcc2a5'); we want to detect encoding to see what's it! CP936? EUC-CN ? UTF-8? Test script: --------------- $str1 = hex2bin('e58da0e6a5bc'); $str2 = hex2bin('d5bcc2a5'); var_dump(mb_detect_encoding($str1, 'CP936', true)); var_dump(mb_detect_encoding($str1, 'EUC-CN', true)); var_dump(mb_detect_encoding($str1, 'UTF-8', true)); var_dump(mb_detect_encoding($str2, 'CP936', true)); var_dump(mb_detect_encoding($str2, 'EUC-CN', true)); var_dump(mb_detect_encoding($str2, 'UTF-8', true)); Expected result: ---------------- $str1 was UTF-8 encoding, $str2 was CP936 encoding. Actual result: -------------- All detect return true -- Edit bug report at https://bugs.php.net/bug.php?id=68119&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68119&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68119&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68119&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68119&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68119&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68119&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68119&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68119&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68119&r=support Expected behavior: https://bugs.php.net/fix.php?id=68119&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68119&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68119&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68119&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68119&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68119&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68119&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68119&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68119&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68119&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68119&r=mysqlcfg