Pemrograman Web 9 - Input Form DB dan Session
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The document shows code for creating a session in PHP by setting session variables, then accessing and displaying those variables on subsequent pages. It then shows code for destroying the session and clearing all session variables. Additional code implements a login system by querying a database to validate a username and password on login, then starting a session for the user and redirecting to their profile page. Logout functionality destroys the active session.
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Pemrograman Web 9 - Input Form DB dan Session
- 3. <?php // mulai session session_start(); ?> <!DOCTYPE html> <html> <body> <?php // set variable pada session $_SESSION["favcolor"] = “hijau"; $_SESSION["favanimal"] = “kucing"; echo “Variabel telah dibuat."; ?> </body> </html>
- 5. <?php session_start(); ?> <!DOCTYPE html> <html> <body> <?php // menampilkan variable yang dibuat sebelumnya echo “Warna favorit adalah " . $_SESSION["favcolor"] . ".<br>"; echo “Binatang peliharaan favorit adalah " . $_SESSION["favanimal"] . "."; ?> </body> </html>
- 7. <?php session_start(); ?> <!DOCTYPE html> <html> <body> <?php // menghapus semua variable yang di set session_unset(); // menghapus/menghancurkan session session_destroy(); ?> </body> </html>
- 10. <?php mysql_connect("localhost","root","") or die ("Gagal Terhubung Ke Database"); mysql_select_db(“dbtes") or die ("Database Tidak Ditemukan"); ?>
- 11. <form class="form-horizontal" method="post" name="pendaftaran" action="registrasi.php"> <div class="form-group"> <label class="control-label col-sm-2" for="name">Nama:</label> <div class="col-sm-10"> <input type="text" class="form-control" id="nama" placeholder="masukkan nama" name="nama"> </div> </div> <div class="form-group"> <label class="control-label col-sm-2" for="name">Email:</label> <div class="col-sm-10"> <input type="email" class="form-control" id="email" placeholder="masukkan email" name="email"> </div> </div>
- 12. <div class="form-group"> <label class="control-label col-sm-2" for="name">Username:</label> <div class="col-sm-10"> <input type="text" class="form-control" id="username" placeholder="masukkan username" name="username"> </div> </div> <div class="form-group"> <label class="control-label col-sm-2" for="pwd">Password:</label> <div class="col-sm-10"> <input type="password" class="form-control" id="password" placeholder="masukkan password" name="password"> </div> </div> <div class="form-group"> <div class="col-sm-offset-2 col-sm-10"> <input class="btn btn-primary" type="submit" name="submit" value="DAFTAR"> </div> </div> </form>
- 13. <?php include "koneksi.php"; $nama = $_POST['nama']; $email = $_POST['email']; $username = $_POST['username']; $password = $_POST['password']; if (empty($nama)){ echo "<script>alert('Nama belum diisi')</script>"; echo "<meta http-equiv='refresh' content='1 url=daftar.php'>"; }else if (empty($email)){ echo "<script>alert('Email belum diisi')</script>"; echo "<meta http-equiv='refresh' content='1 url=daftar.php'>"; }else
- 14. if(empty($username)){ echo "<script>alert('Username belum diisi')</script>"; echo "<meta http-equiv='refresh' content='1 url=daftar.php'>"; }else if (empty($password)){ echo "<script>alert('Password belum diisi')</script>"; echo "<meta http-equiv='refresh' content='1 url=daftar.php'>"; }else{ $daftar = mysql_query("INSERT INTO pengguna (id_user,nama,username,password) values ('$nama','$email','$username','$password')"); if ($daftar){ echo "<script>alert('Berhasil Mendaftar')</script>"; echo "<meta http-equiv='refresh' content='1 url=daftar.php'>"; }else{ echo "<script>alert('Gagal Mendaftar')</script>"; echo "<meta http-equiv='refresh' content='1 url=daftar.php'>"; } } ?>
- 15. <?php include "koneksi.php"; session_start(); if (isset($_SESSION['username'])){ header ("location:index.php"); } ?> <div class="container"> <div class="page-header"> <h1><b>Form Masuk Akun</b></h1> <br /> </div> <br /> <form class="form-horizontal" method="post" name="login" action="logincek.php"> <div class="form-group"> <label class="control-label col-sm-2" for="email">Username:</label>
- 16. <div class="col-sm-10"> <input type="text" class="form-control" id="username" placeholder="masukkan username" name="username"> </div> </div> <div class="form-group"> <label class="control-label col-sm-2" for="pwd">Password:</label> <div class="col-sm-10"> <input type="password" class="form-control" id="password" placeholder="Enter password" name="password"> </div> </div> <div class="form-group"> <div class="col-sm-offset-2 col-sm-10"> <button type="submit" class="btn btn-default" value="LOGIN">Masuk</button> </div> </div> </form> </div>
- 17. <?php include "koneksi.php"; $username = $_POST['username']; $password = $_POST['password']; if (empty($username)){ echo "<script>alert('Username belum diisi')</script>"; echo "<meta http-equiv='refresh' content='1 url=login.php'>"; }else if (empty($password)){ echo "<script>alert('Password belum diisi')</script>"; echo "<meta http-equiv='refresh' content='1 url=login.php'>"; }else{
- 18. session_start(); $login = mysql_query("select * from pengguna where username='$username' and password='$password'"); if (mysql_num_rows($login) > 0){ $_SESSION['username'] = $username; header("location:index.php"); }else{ echo "<script>alert('Username atau Password salah')</script>"; echo "<meta http-equiv='refresh' content='1 url=login.php'>"; } } ?>
- 19. <?php include "koneksi.php"; session_start(); if (!isset($_SESSION['username'])){ header ("location:login.php"); } ?> Berhasil Login, <a href="logout.php">Logout</a>
- 20. <?php session_start(); session_destroy(); echo "<script>alert('Terima kasih, Anda Berhasil Logout')</script>"; echo "<meta http-equiv='refresh' content='1 url=login.php'>"; ?>