Php security problems

Php security problems when uploading a website, there is always a warning of undefined constants and variables. Website installation
You don't have permission to access/blog/onSubmit = "return on this server.

However, httpd-conf has been modified...

Reply to discussion (solution)

Folder does not have permission

OnSubmit is html. how ?? File ?.

Ming? Yes ?? Yes ??

/Blog/onSubmit = "return on this server.
Where does this happen?
For service reasons, view apache logs.

You don't have permission to access/blog/onSubmit = "return on this server. this solves the problem ..
However, during the installation, Access denied for user 'root' @ 'localhost' (using password: NO) is correct .. Is it possible that the MySQL version is a problem? Because I can install it in the tutorial.

The password of the mysql database is incorrect.
You try to go to mysql through cmd to see if you can go in?