(PHP 4 >= 4.0.5, PHP 5, PHP 7)
iconv_set_encoding — Set current setting for character encoding conversion
$type
   , string $charset
   )
   Changes the value of the internal configuration variable specified by
   type to charset.
  
type
       The value of type can be any one of these:
       
charsetThe character set.
   Returns TRUE on success or FALSE on failure.
  
Example #1 iconv_set_encoding() example
<?php
iconv_set_encoding("internal_encoding", "UTF-8");
iconv_set_encoding("output_encoding", "ISO-8859-1");
?>