How to send user data from one website to another

I just found a possible solution for my question.

The technology I was looking for is curl. Look at this posts for more Informations:

Also I this Blog Article quite useful:https://davidwalsh.name/curl-post-file

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)