Why do I change all File--->settings--->Editor--->File Encodings: to UTF-8 and still get garbled characters? header("Content-Type:text/html;charset=utf-8"); Even using this sentence is useless.

\u7f3a\u5c11 If it is such garbled code, please convert Baidu Unicode to Chinese

Are you garbled when outputting Chinese or is it under some circumstances?

Chinese characters are garbled-PHP Chinese Network Q&A

Why did I change all File--->settings--->Editor--->File Encodings: to UTF-8 or still get garbled characters?

header("Content-Type:text/html;charset=utf-8"); Even using this sentence is useless.