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PHP: Login Form
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login_page.php | |
<form action="verify.php" method="post"> | |
User Name:<br> | |
<input type="text" name="username"><br><br> | |
Password:<br> | |
<input type="password" name="password"><br><br> | |
<input type="submit" name="submit" value="Login"> | |
</form> | |
verify.php | |
<?php | |
if(isset($_POST['submit'])){ | |
$dbHost = "localhost"; //Location Of Database usually its localhost | |
$dbUser = "xxxx"; //Database User Name | |
$dbPass = "xxxxxx"; //Database Password | |
$dbDatabase = "db_name"; //Database Name | |
$db = mysql_connect($dbHost,$dbUser,$dbPass)or die("Error connecting to database."); | |
//Connect to the databasse | |
mysql_select_db($dbDatabase, $db)or die("Couldn't select the database."); | |
//Selects the database | |
/* | |
The Above code can be in a different file, then you can place include'filename.php'; instead. | |
*/ | |
//Lets search the databse for the user name and password | |
//Choose some sort of password encryption, I choose sha256 | |
//Password function (Not In all versions of MySQL). | |
$usr = mysql_real_escape_string($_POST['username']); | |
$pas = hash('sha256', mysql_real_escape_string($_POST['password'])); | |
$sql = mysql_query("SELECT * FROM users_table | |
WHERE username='$usr' AND | |
password='$pas' | |
LIMIT 1"); | |
if(mysql_num_rows($sql) == 1){ | |
$row = mysql_fetch_array($sql); | |
session_start(); | |
$_SESSION['username'] = $row['username']; | |
$_SESSION['fname'] = $row['first_name']; | |
$_SESSION['lname'] = $row['last_name']; | |
$_SESSION['logged'] = TRUE; | |
header("Location: users_page.php"); // Modify to go to the page you would like | |
exit; | |
}else{ | |
header("Location: login_page.php"); | |
exit; | |
} | |
}else{ //If the form button wasn't submitted go to the index page, or login page | |
header("Location: index.php"); | |
exit; | |
} | |
?> | |
users_page.php | |
<?php | |
session_start(); | |
if(!$_SESSION['logged']){ | |
header("Location: login_page.php"); | |
exit; | |
} | |
echo 'Welcome, '.$_SESSION['username']; | |
?> |
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