array(9) {
  [0]=>
  string(1) "."
  [1]=>
  string(2) ".."
  [2]=>
  string(8) "Text.php"
  [3]=>
  string(9) "about.php"
  [4]=>
  string(8) "demo.php"
  [5]=>
  string(8) "file.php"
  [6]=>
  string(7) "foo.php"
  [7]=>
  string(9) "index.php"
  [8]=>
  string(8) "partials"
}

20reading from file ...
This is my demo page
 A string(0) ""
B 
string(20) "This is my demo page"
string(19) "2025-06-23 10:51:58"