Bug #70114 [NEW]: mb_convert_encoding UTF-16 and UTF-16LE BOM behaviour

From: cph at osde dot uk Operating system: ubuntu PHP version: 5.6.11 Package: mbstring related Bug Type: Bug Bug description:mb_convert_encoding UTF-16 and UTF-16LE BOM behaviour Description: ------------ mb_convert_encoding UTF-16 and UTF-16LE BOM behaviour may be related to bug.php?id=34776 Test script: --------------- $utf16 = fgets($fh, 1024); echo bin2hex($utf16).PHP_EOL; $utf8 = iconv('UTF-16LE','UTF-8',mb_substr($utf16,1,null,'UTF-16LE')); echo bin2hex($utf8).PHP_EOL; var_export($utf8); $utf8 = mb_convert_encoding($utf16,'UTF-8','UTF-16'); echo bin2hex($utf8).PHP_EOL; var_export($utf8); $utf8 = mb_convert_encoding($utf16,'UTF-8','UTF-16LE'); echo bin2hex($utf8).PHP_EOL; var_export($utf8); Expected result: ---------------- RAW fffe48006f00740065006c00... IC 486f74656c49447c22486f74... 'Hot 16 486f74656c49447c22486f74... 'Hot 16LE 486f74656c49447c22486f74... 'Hot Actual result: -------------- RAW fffe48006f00740065006c00... IC 486f74656c49447c22486f74... 'Hot 16 486f74656c49447c22486f74... 'Hot 16LE efbbbf486f74656c49447c22... 'Hot -- Edit bug report at https://bugs.php.net/bug.php?id=70114&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70114&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70114&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70114&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70114&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70114&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70114&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70114&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70114&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70114&r=support Expected behavior: https://bugs.php.net/fix.php?id=70114&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70114&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70114&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70114&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70114&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70114&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70114&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70114&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70114&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70114&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70114&r=mysqlcfg