+
+ /**
+ * mbstring.func_overload fix (#929644).
+ *
+ * php mbstring extension can replace standard string functions with their multibyte
+ * equivalents. See http://www.php.net/ref.mbstring#mbstring.overload.
+ *
+ * Some SquirrelMail functions work with 8bit strings in bytes. If interface is forced
+ * to use mbstring functions and mbstring internal encoding is set to multibyte charset,
+ * interface can't trust regular string functions. Due to mbstring overloading design
+ * limits php scripts can't control this setting.
+ *
+ * This hack should fix some issues related to 8bit strings in passwords. Correct fix is
+ * to disable mbstring overloading. Japanese translation uses different internal encoding.
+ */
+ if ($squirrelmail_language != 'ja_JP' &&
+ function_exists('mb_internal_encoding') &&
+ check_php_version(4,2,0) &&
+ (int)ini_get('mbstring.func_overload')!=0) {
+ mb_internal_encoding('ASCII');
+ }