index.php

<?php
session_start();
include 'database.php';

if(!empty($_POST)){

    $username = $_POST['username'];
    $password = $_POST['password'];

    $sql = "select * from user where username='".$username."' and password='".$password."'";
    #echo $sql."<br />";
    $query = mysql_query($sql) or die (mysql_error());

    // pengecekan query valid atau tidak
    if($query){
        $row = mysql_num_rows($query);

        // jika $row > 0 atau username dan password ditemukan
        if($row > 0){
            $_SESSION['isLoggedIn']=1;
            $_SESSION['username']=$username;
            header('Location: memberarea.php');
        } else{
            echo "username atau password salah";
        }
    }
}
?>


<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>IQBAL DP WEB</title>

    <!-- Bootstrap -->
    <link href="css/bootstrap.min.css" rel="stylesheet">

    <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
    <!--[if lt IE 9]>
      <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
    <![endif]-->
  </head>
  <body>
   <nav class="navbar navbar-inverse">
  <div class="container-fluid">
    <!-- Brand and toggle get grouped for better mobile display -->
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <a class="navbar-brand" href="#">Iqbal DP</a>
    </div>

    <!-- Collect the nav links, forms, and other content for toggling -->
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
      <ul class="nav navbar-nav">

        <li><a href="#">About</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Artikel<span class="caret"></span></a>
          <ul class="dropdown-menu">
            <li><a href="#">Teknik Informatika</a></li>
            <li><a href="#">Programming</a></li>
            <li><a href="#">Something else here</a></li>
            <li role="separator" class="divider"></li>
            <li><a href="#">Separated link</a></li>
            <li role="separator" class="divider"></li>
            <li><a href="#">One more separated link</a></li>
          </ul>
        </li>
      </ul>
      <form class="navbar-form navbar-left" role="search">
        <div class="form-group">
          <input type="text" class="form-control" placeholder="Cari">
        </div>
        <button type="submit" class="btn btn-default">Masukin</button>
      </form>
      <ul class="nav navbar-nav navbar-right">
        <li><a href="#">Register</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Akun<span class="caret"></span></a>
          <ul class="dropdown-menu">
            <li><a href="#">Action</a></li>
            <li><a href="#">Another action</a></li>
            <li><a href="#">Something else here</a></li>
            <li role="separator" class="divider"></li>
            <li><a href="#">Separated link</a></li>
          </ul>
        </li>
      </ul>
    </div><!-- /.navbar-collapse -->
  </div><!-- /.container-fluid -->
</nav>

  <!--nav-->

  <div class="container">
  <div class="row">
  <div class="col-md-8">

  <div class="panel panel-default">
  <div class="panel-heading">Panel heading without title</div>
  <div class="panel-body">

    <?php

  $post = $_GET["post"];

  if (!$post) {

  $ambil_data = mysql_query("select * from berita order by id_berita desc limit 0,5");

  while($hasil_data = mysql_fetch_array($ambil_data)){

  ?>

   <div class="row-fluid">

     <div class="span4">

      <img data-src="holder.js/300x200" alt="300x200" src="<?=$hasil_data['gambar'];?>" style="width: 300px; height: 200px;">

    </div>

     <div class="span8">

       <h2><?=$hasil_data['judul'];?></h2>

    <p style="text-align:justify;"><?=substr($hasil_data['isi'],0,500);?></p>

      <p>

        <a href="index.php?post=<?=$hasil_data['id_berita'];?>" class="btn btn-primary">Baca Selengkapnya</a>

        <a href="#" class="btn btn-inverse">Diposkan pada <?=$hasil_data['tanggal'];?></a>

      </p>

    </div>

    </div>

    <hr>

 <?php

  }  }

  else

  {


  $ambil_data = mysql_query("select * from berita where id_berita='$post'");

 $hasil_data = mysql_fetch_array($ambil_data);

 ?>

  <div class="paragraphs">

   <div class="row">

   <div class="span12 well">

     <img class="img-polaroid" src="<?=$hasil_data['gambar'];?>" style="width:250px; height: 200px; float:left; margin-right:10px;"/>

     <div class="content-heading"><h3><?=$hasil_data['judul'];?></h3></div>

     <p><a href="#" class="btn btn-inverse">Diposkan pada <?=$hasil_data['tanggal'];?></a> </p>

     <p style="text-align:justify;"><?=$hasil_data['isi'];?></p>

     <div style="clear:both;"></div>

    </div>

   </div>

  </div>


    <?php

  $ambil_recent = mysql_query("select id_berita,judul,tanggal from berita order by rand() limit 20");

 ?>

  <div class="well sidebar-nav">

    <ul class="nav nav-list">


     <li class="nav-header">Baca Juga</li>

      <ul type="square">

       <?php

    while($hasil_recent= mysql_fetch_array($ambil_recent)){

       echo "<li><a href='index.php?link=lihatDetailBerita.php&id=$hasil_recent[id_berita]'>".$hasil_recent['judul']."</a></li>";

    }

    ?>

      </ul>

    </ul>

  </div>


<?php

  }

 ?>

  </div>
</div>

  </div>
  <div class="col-md-4">

  <div class="panel panel-success">
  <div class="panel-heading">LOGIN AREA</div>
  <div class="panel-body">

        <form action="" method="post">
  <div class="form-group">
    <label for="exampleInputEmail1">Email address</label>
    <input type="text" name="username" class="form-control" id="exampleInputEmail1" placeholder="Email">
  </div>
  <div class="form-group">
    <label for="exampleInputPassword1">Password</label>
    <input type="password" name="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
  </div>
  <button type="submit" class="btn btn-default">Submit</button>
</form>

  </div>
</div>
</div>
  </div>
</div>


  <!-- Konten -->


    <!-- AKHIR CONTENT - dari sini kebawah jgn dihapus -->
    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
    <script src="js/jquery-1.12.2.min.js"></script>
    <!-- Include all compiled plugins (below), or include individual files as needed -->
    <script src="js/bootstrap.min.js"></script>

<hr>
<footer class="footer">
  <div class="container">
    <center><p class="text-muted">Copyright 2016. Muhammad Iqbal Dwi Putra</p>
  </center>
  </div>
</footer>


  </body>
</html>