character

Every time when I save a phrase with an unicode smiley and I view it the next time the special unicode character is gone. So (how) can I insert unicode characters into phrases?

I'm using this values in Link.php $title = strtr($title, array( '"' => '', "'" => '', "“" => '', "”" => '', "’" => '', "Ö" => "o", "ö" => "o", "C" => "c", "c" => "c", "Ğ" => "g", "ğ" => "g", "Ş" =>...