php - 尽管字符集和排序规则正确，但网页输出问号而不是 unicode 字符？

Question

当我从我的数据库中获取记录时，数据库、表和行都设置为 utf8_unicode_ci，我收到一个用对角方框框起来的问题，而不是正确的 unicode特点;尽管我还在页面上设置了 HTML 编码:

 <meta charset="utf8">

我怀疑这与 MySQL/PHP 有关，因为当我 print_r 输出时，问号仍在显示，而手动输入的度数符号(我应该看到的符号)工作正常。

此 SQL 查询也没有执行任何操作:

SET NAMES utf8;

有什么想法吗？我检查了设置的每一端。

Answer 1

utf8_unicode_ci 是排序规则，你需要字符集为 utf8 例如:

CREATE TABLE someTable DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_unicode_ci;

正如 adrienne 在 their answer here 中所说的那样:

make sure that all of the following are true:

• The DB connection is using UTF-8
• The DB tables are using UTF-8
• The individual columns in the DB tables are using UTF-8
• The data is actually stored properly in the UTF-8 encoding inside the database (often not the case if you've imported from bad sources, or changed table or column collations)
• The web page is requesting UTF-8
• Apache is serving UTF-8