#48210 [NEW]: mb_detect_encoding fails to detect right charset

From: nilon at kartio dot org Operating system: Debian Lenny PHP version: 5.2.9 PHP Bug Type: *Unicode Issues Bug description: mb_detect_encoding fails to detect right charset Description: ------------ mb_detect_encoding detects latin1 'ä' as UTF-8 when it clearly isn't multibyte character. Reproduce code: --------------- <?php var_dump(mb_detect_encoding("\xe4", 'UTF-8, ISO-8859-1')); var_dump(mb_detect_encoding("\xe4", 'ISO-8859-1, UTF-8')); var_dump(mb_detect_encoding("\xe4", 'ISO-8859-1')); var_dump(mb_detect_encoding("\xe4", 'UTF-8')); ?> Expected result: ---------------- string(10) "ISO-8859-1" string(10) "ISO-8859-1" string(10) "ISO-8859-1" bool "false" Actual result: -------------- string(5) "UTF-8" string(10) "ISO-8859-1" string(10) "ISO-8859-1" string(5) "UTF-8" -- Edit bug report at http://bugs.php.net/?id=48210&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=48210&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=48210&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=48210&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=48210&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=48210&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=48210&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=48210&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=48210&r=needscript Try newer version: http://bugs.php.net/fix.php?id=48210&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=48210&r=support Expected behavior: http://bugs.php.net/fix.php?id=48210&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=48210&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=48210&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=48210&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=48210&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=48210&r=dst IIS Stability: http://bugs.php.net/fix.php?id=48210&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=48210&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=48210&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=48210&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=48210&r=mysqlcfg