POST Receiver Emulator
if ($_SERVER["REQUEST_METHOD"] === "POST") {
$postData = file_get_contents("php://input");
echo "Received POST: " . htmlspecialchars($postData) . "
";
$countE = substr_count(strtolower($postData), "e");
$countP = substr_count(strtolower($postData), "p");
echo "Occurrences of 'e': " . $countE . "
";
echo "Occurrences of 'p': " . $countP . "
";
} else {
echo "No POST request received yet.";
}