I'm trying to change my encoding to utf-8, below is what I have so far.
Table Charset

mbstring installed
extension=php_mbstring.dll
mbstring configured in php.ini
mbstring.language = Neutral
mbstring.internal_encoding = UTF-8
mbstring.encoding_translation = On /*updated it to mbstring.encoding_translation = 0*/
mbstring.http_input = auto         /*updated it to mbstring.http_input = pass*/
mbstring.http_output = UTF-8       /*updated it to mbstring.http_output = pass*/
mbstring.detect_order = auto  
mbstring.substitute_character
default_charset = UTF-8
mbstring.func_overload = 7
Header
header('Content-type: text/html; charset=UTF-8');
HTML meta tag
<meta http-equiv="Content-type" value="text/html; charset=UTF-8" />
HTML CODE
<label for="article_body_pun">Article (Foreign): </label>
<textarea cols="100" rows="10" name="article_body_pun"></textarea><br />
PHP
$article_body_pun   = $_REQUEST['article_body_pun'];
SQL
$insert_article = "INSERT INTO articles(article_body_pun) 
                      VALUES ('{$article_body_pun}'')";
PHP to insert
$article_query = mysqli_query($connectDB, $insert_article);
Data that should be stored -> 汉语
Original Data stored
汉è¯Â
Upon adding mysqli_set_charset($connectDB, "utf8"); as suggested by @Pekka 웃, output became (commented below as well)
æ±è¯
after some troubleshooting, data partially stored correctly.
�?语
tried checking the charset by mb_detect_encoding, and getting UTF-8 on the results pulled. 
and upon checking the charset in firefox.

That seems to be correct, but still getting question marks on some characters. Any further suggestions to make this work?
 
     
    