Warning: Undefined array key "img" in C:\xampp\htdocs\digiapi\upload.php on line 2

Warning: Trying to access array offset on value of type null in C:\xampp\htdocs\digiapi\upload.php on line 2

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in C:\xampp\htdocs\digiapi\upload.php:2 Stack trace: #0 {main} thrown in C:\xampp\htdocs\digiapi\upload.php on line 2