如何使用PHP从HTML表单正确存储阿拉伯语文本到MySQL数据库?

I've searched a lot but with no avail!

>> After the PHP connection I put : mysql_set_charset('utf8', $conn);
>> The form input tag contains attribute : accept-charset="utf-8"
>> I'm sure that the database collation is : utf8_general_ci
>> I've the meta tag in the head : <meta charset="UTF-8">

What should I do now ?? The arabic text is stored like : سÙ

I've found the problem, it was here :

$blog_title = mysql_real_escape_string(htmlentities(trim($blog_title)));

I don't know what's the problem itself but when I removed it, it works well!

I make the same but : database collation is : utf8_defult collection small letters , I don't know if that problem

my data is saved in arabic I hope I helped you