PHP Syntax Error in Setting Global Variable

Question

Ok, so my PHP is, to say the least, horrible. I inherited an application and am having to fix errors in it from someone that wrote it over 7 years ago. When I run the page

Answer 1

See here. global is a modifier which means the variable comes from the global scope. It should just be

and in functions which use them (but you don't have any in this page)

function f() {
  global $siteRoot, $reportRoot;
  ...
}