Description:
------------
This problem is just appeared for PHP 4.3.8
PHP 4.2.3 version is not appreard.

iconv() function did not output a error.


Reproduce code:
---------------
testing.

<?
if(($res = iconv("utf-8","euc-kr","abc??def")) == false)
echo "error";
else
echo $res;
?>
PHP 4.2.3 output ==>  "error"   // iconv() return FALSE !!
but,
PHP 4.3.8 output ==>  "abc"     // iconv() return abc !!

please help me.T^T