Warning: Undefined array key "id" in C:\xampp\htdocs\proxy1.php on line 2

Warning: Undefined array key "file" in C:\xampp\htdocs\proxy1.php on line 3

Warning: file_get_contents(proxy.txt): Failed to open stream: No such file or directory in C:\xampp\htdocs\proxy1.php on line 4

Warning: Undefined array key "" in C:\xampp\htdocs\proxy1.php on line 4