[Old Pedant]

Again, I don't use PHP, but I think you could write that a bit more compactly thus:

strpos($country_options, ( $val = $get_row["contry"] ) ) === false ) 
{ 
    echo ( $opt = '<option value='"' . $val . '">' . $val . "</option\n" ); 
    $country_options .= $opt; 
}