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I have a short line of code that I would like to make uppercase.
$box = mysql_real_escape_string(strtoupper($_POST['box']));
For some reason, it is not making it uppercase. Could it be because the post is a mixture of letters and numbers? ie; ee588. Thanks
You can also try to use
mb_strtoupper($str, 'UTF-8');. This accept the encoding. Maybe you are having not exactly the letter ‘e’ like you know.Link to manual:
mb_strtoupper()