php mb_convert_encoding文字编码转换函数

3. $str='脚本学堂:http://bbs.it-home.org';

4. echo mb_convert_encoding($str, "utf-8"); //编码转换为utf-8

5. $str='程序员之家:http://bbs.it-home.org';

6. echo mb_convert_encoding($str, "utf-8", "gbk"); //已知原编码为gbk，转换为utf-8

7. $str='程序员之家:http://bbs.it-home.org';

8. echo mb_convert_encoding($str, "utf-8", "auto"); //未知原编码，通过auto自动检测后，转换编码为utf-8
9. ?>

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