<?php
// Sertakan file konfigurasi
require_once "config.php";

if(isset($_POST["idrfid"])){
    $sql = "SELECT * FROM data_registrasi WHERE idrfid = ?";
    
    if($stmt = mysqli_prepare($link, $sql)){
        mysqli_stmt_bind_param($stmt, "s", $param_idrfid);
        $param_idrfid = trim($_POST["idrfid"]);
        
        if(mysqli_stmt_execute($stmt)){
            mysqli_stmt_store_result($stmt);
            
            if(mysqli_stmt_num_rows($stmt) > 0){
                echo '1';
            } else {
                echo '0';
            }
        } else {
            echo '0';
        }
        mysqli_stmt_close($stmt);
    }
}
mysqli_close($link);
?>