iconv
    (PHP 4 >= 4.0.5)
iconv -- Convert string to requested character encoding
Description
string 
iconv ( string in_charset, string out_charset, string str)
     It converts the string str encoded in      in_charset to the string encoded in      out_charset. It returns the converted      string or FALSE, if it fails.     
     
Example 1. iconv() example: <?php
echo iconv("ISO-8859-1","UTF-8","This is a test.");
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