<?php
mysql_connect("localhost","your_username","your_password") or die(mysql_error());
mysql_select_db("your_database");
?> login.php
<?php
include 'connect_to_database.php'; //connect the connection page
if(empty($_SESSION)) // if the session not yet started
session_start();if(isset($_SESSION['username'])) { // if already login
header("location: home.php"); // send to home page
exit;
}?>
<html>
<head></head>
<body>
<form action = "login_proccess.php" method = "post">
Username: <input type="text" name="username" /><br />
Password: <input type="password" name="password" /><br />
<input type = "submit" name="submit" value="login" />
</form>
</body>
</html>
login_proccess.php <?php
include 'connect_to_database.php'; //connect the connection page
if(empty($_SESSION)) // if the session not yet started
session_start();
include 'connect_to_database.php'; //connect the connection page
if(empty($_SESSION)) // if the session not yet started
session_start();
if(!isset($_POST['submit'])) { // if the form not yet submitted
header("Location: login.php");
exit;
}
header("Location: login.php");
exit;
}
//check if the username entered is in the database.
$test_query = "SELECT * FROM table_name WHERE username_field = '".$_POST[username]."'";
$query_result = mysql_query($test_query);
//conditions
if(mysql_num_rows($query_result)==0) {
//if username entered not yet exists
echo "The username you entered is invalid.";
}else {
//if exists, then extract the password.
while($row_query = mysql_fetch_array($query_result)) {
// check if password are equal
if($row_query['password_field']==$_POST['password']){
$_SESSION['password'] = $_POST['password'];
header("Location: home.php");
exit;
} else{ // if not
echo "Invalid Password";
}
if($row_query['password_field']==$_POST['password']){
$_SESSION['password'] = $_POST['password'];
header("Location: home.php");
exit;
} else{ // if not
echo "Invalid Password";
}
}
}
?>home.php
<?php
include 'connect_to_database.php'; //connect the connection page
if(empty($_SESSION)) // if the session not yet started
session_start();if(!isset($_SESSION['username'])) { //if not yet logged in
header("Location: login.php");// send to login page
exit;
}
?>
<html>
<body>
Welcome <?php echo $_SESSION['username']; ?>,
<a href="logout.php">logout</a>
</body>
</html>
logout.php
<?php
session_start();
unset($_SESSION['username']);
session_destroy();
header("Location: login.php");
exit;
?>
login logout in xml
TumugonBurahinhttp://www.wefinding.com/258/xml/signup-login-using-data-stored-in-xml-file/
thanks. nice :-)
TumugonBurahinNice! Thanks, man!
TumugonBurahinThere's just an error in your code.
In login_proccess.php it should be:
if($row_query['password_field']==$_POST['password']){
$_SESSION['username'] = $_POST['username'];
header("Location: home.php");
exit;
Nice
TumugonBurahinThank u
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