Why does Hello World appear on localhost?

Question

In the video, phpStudy 2016 is used. When he opens the web page, what appears is

. I am using phpStudy2018

.

Answer 1

For apache, just add '+' in front of the Index in httpd.conf. For nginx, turn on autoindex

Answer 2

In the video, the www folder is under the phpStudy folder and mine is under phpStudy and under phptutorian Why when I open http://localhost/, the output is hello wrod. Please tell me if you know. Thank you. I just learned this and don’t understand anything.