Drupal 8.x

Hi Guys, 

I'm converting my Drupal 7 project to Drupal 8 and in Drupal 7 we are using Drupal.settings.basePath and basePath is set in drupal_add_js function which is deprecated in Drupal 8. 

So, How can I use this basePath in Drupal 8 js ?

Hi Guys,

It is possible to call a twig file after clicking any button in Drupal 8?
if yes then how can I achieve this ?

Hi

Some of the users on my site can see /admin/reports/status/php.

I can't see how to disable or find a permission for this page.

Where can I control who can access /admin/reports/status/php?

Thanks

Back story, I have used Drupal since 6, had sites on 7 and currently have sites on 8. All were installed via cPanel and not composer or anything else.

Thanks for your time and thoughts.  I want to create a site where patrons have their own customizable page (node).  How feasible is it to create a handful of page layouts and have them pick one.  Once chosen they can then upload their own pics, write their own text and captions etc.  

How else would you go about designing this type of functionality in Drupal?  

Do any modules spring to mind perhaps?

I am adding this new element but #theme_wrapper is not working, only title is showing button is not showing.