kadiir

login.php
<?php

include("vt.php");
ob_start();
session_start();

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

    $myusername = mysqli_real_escape_string($conn,$_POST['username']);
    $mypassword = mysqli_real_escape_string($conn,$_POST['password']);

    $sql = "SELECT id FROM member WHERE memberuser = '$myusername' and memberpass = '$mypassword'";
    $result = mysqli_query($conn,$sql);
    $row = mysqli_fetch_array($result,MYSQLI_ASSOC);

    $count = mysqli_num_rows($result);

    // If result matched $myusername and $mypassword, table row must be 1 row

    if($count == 1) {
       $_SESSION['login_name'] = $myusername;
       $_SESSION['login'] = "True";
       header("location: index.php");
    }else {
       $error = "Your Login Name or Password is invalid";
    }

ob_end_flush();
?>

admin.php:
<?php

include("vt.php");
ob_start();
session_start();

if(!isset($_SESSION["login"])){
    header("Location:index.php");
}
else {
    echo "<center>Admin sayfasina hosgeldiniz..! ";
    echo "<a href=logout.php>Guvenli cikis</a></center>";
}
?>
logout.php:
<?php
session_start();
ob_start();
session_destroy();
$_SESSION=="False";
echo "<center>Cikis Yaptiniz. Ana Sayfaya Yonlendiriliyorsunuz.</center>";
header("Refresh: 2; url=index.php");
ob_end_flush();
?>
vt.php:
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <?php

    $serverName = "localhost";
    $dataBase ="basedata";
    $userName = "root";
    $password = "";

    $conn = mysqli_connect($serverName,$userName,$password,$dataBase);
    ?>
</body>
</html>
kayit.php:
<?php
    include("vt.php");
    ob_start();
    session_start();
    $membername = $_POST["name"];
    $membersur = $_POST["surname"];
    $memberuser = $_POST["username"];
    $memberpass = $_POST["password"];
    $membermail = $_POST["mail"];


    $add = ("INSERT INTO member(membername,membersur,memberuser,memberpass,membermail) VALUES ('$membername','$membersur','$memberuser','$memberpass','$membermail')");
    $sonuc = mysqli_query($conn,$add);
    if($sonuc == 0){
        echo("Islem Basarisiz.");
    }
    else{
        echo ("Islem Tamamlandi.");
    }
    ?>