Warning: Undefined variable $dir_array in /virtual/nyan/public_html/PHP/scandir4/index.php on line 18

Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /virtual/nyan/public_html/PHP/scandir4/index.php:18 Stack trace: #0 /virtual/nyan/public_html/PHP/incltest/index.php(8): include() #1 {main} thrown in /virtual/nyan/public_html/PHP/scandir4/index.php on line 18