php - 虽然通过“preg_match_all”函数特殊字符获取 html 内容不正确显示，如何解决这个问题？

Answer 1

You have unicode issues, try adding this as the first line in your script :

header('Content-Type: text/html; charset=utf-8');

Answer 2

first add this line in your code...(above)

   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">