main.php

<?php
if ($_SERVER["REMOTE_ADDR"] !== "123.456.789.012") {
	$ec = array(
		"ip" => $_SERVER["REMOTE_ADDR"],
		"status" => "error",
		"error" => "Access Denied",
	);
	echo json_encode($ec, JSON_PRETTY_PRINT);
	exit();
}
file_put_contents("./cpu.txt", $_GET["physical"] . "||" . $_GET["core0"] . "||" . $_GET["core1"] . "||" . $_GET["core2"] . "||" . $_GET["core3"] . "||" . $_GET["time"]);
	$ec = array(
		"ip" => $_SERVER["REMOTE_ADDR"],
		"status" => "success",
		"error" => "None",
	);
	echo json_encode($ec, JSON_PRETTY_PRINT);