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mysql_client_encoding(link_identifier)
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<?php
$con = mysql_connect("localhost","mysql_user","mysql_pwd");
if (!$con)
  {
  die("Could not connect: " . mysql_error());
  }

$charset = mysql_client_encoding($con);
echo "The current character set is: $charset";

mysql_close($con);
?>

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The current character set is: latin1
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