#41147 [NEW]: mb_check_encoding fails to check invalid string

From: teracci2002 at yahoo dot co dot jp Operating system: Linux PHP version: 5.2.1 PHP Bug Type: mbstring related Bug description: mb_check_encoding fails to check invalid string Description: ------------ mb_check_encoding returns true when specific invalid EUC-JP / Shift_JIS / UTF-8 char sequence supplied. Reproduce code: --------------- //(1) var_dump(mb_check_encoding("\x00\xA1", "EUC-JP")); //(2) var_dump(mb_check_encoding("\x00\x81", "Shift_JIS")); //(3) var_dump(mb_check_encoding("\x00\xE3", "UTF-8")); Expected result: ---------------- //(1) bool(false) //(2) bool(false) //(3) bool(false) Actual result: -------------- //(1) bool(true) //(2) bool(true) //(3) bool(true) -- Edit bug report at http://bugs.php.net/?id=41147&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=41147&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=41147&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=41147&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=41147&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=41147&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=41147&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=41147&r=needscript Try newer version: http://bugs.php.net/fix.php?id=41147&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=41147&r=support Expected behavior: http://bugs.php.net/fix.php?id=41147&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=41147&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=41147&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=41147&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=41147&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=41147&r=dst IIS Stability: http://bugs.php.net/fix.php?id=41147&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=41147&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=41147&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=41147&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=41147&r=mysqlcfg