By GokiSoft.com| 14:55 18/04/2022|
Học PHP

[Video] Hướng dẫn tìm hiểu về Session trong PHP/MySQL - Khóa học PHP/MySQL - C2110I


#index.php


<?php
session_start();
?>
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Session in PHP</title>
</head>
<body>
<?php
// B1) Luu du lieu vao Session
// $_SESSION['fullname'] = 'TRAN VAN A';
// $_SESSION['fullname'] = 'abc';

// B2) Lay du lieu tu Session
// var_dump($_SESSION);
$fname = '';
if(isset($_SESSION['fullname'])) {
	$fname = $_SESSION['fullname'];
}
echo $fname;

// B3) Sua noi dung session
// $_SESSION['fullname'] = 'TRAN VAN AAAAA';

// B4) Xoa key khoi Session
// unset($_SESSION['fullname']);
?>
</body>
</html>


#login.php


<?php
session_start();

$email = $pwd = "";

var_dump($_SESSION);
if(!empty($_POST)) {
	//Lay du lieu gui tu client len server
	$email = $_POST['email'];
	$pwd = $_POST['pwd'];

	//Lay thong tin nguoi dung tu cookie
	$sEmail = $sPwd = "";
	if(isset($_SESSION['email'])) {
		$sEmail = $_SESSION['email'];
	}
	if(isset($_SESSION['pwd'])) {
		$sPwd = $_SESSION['pwd'];
	}

	if($email == $sEmail && $pwd == $sPwd) {
		// echo 'Login thanh cong';
		header('Location: show.php');
		die();
	} else {
		echo 'Login failed';
	}
}
?>
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Register PHP</title>
	<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>

	<style type="text/css">
		.form-group {
			margin-bottom: 20px;
		}
	</style>
</head>
<body>

<div class="container">
	<form method="post">
		<div class="form-group">
			<label>Email: </label>
			<input type="email" name="email" class="form-control">
		</div>
		<div class="form-group">
			<label>Password: </label>
			<input type="password" name="pwd" class="form-control">
		</div>
		<div class="form-group">
			<p>
				<a href="register.php">Create a new account</a>
			</p>
			<button class="btn btn-success">Login</button>
		</div>
	</form>
</div>
</body>
</html>


#register.php


<?php
session_start();

$fullname = $username = $email = $pwd = "";

if(!empty($_POST)) {
	//Lay du lieu gui tu client len server
	$fullname = $_POST['fullname'];
	$username = $_POST['username'];
	$email = $_POST['email'];
	$pwd = $_POST['pwd'];

	//Luu thong tin xuong coookie
	$_SESSION['fullname'] = $fullname;
	$_SESSION['username'] = $username;
	$_SESSION['email'] = $email;
	$_SESSION['pwd'] = $pwd;
}
var_dump($_SESSION);
?>
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Register PHP</title>
	<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>

	<style type="text/css">
		.form-group {
			margin-bottom: 20px;
		}
	</style>
</head>
<body>
<div class="container">
	<form method="post">
		<div class="form-group">
			<label>Full Name: </label>
			<input type="text" name="fullname" class="form-control">
		</div>
		<div class="form-group">
			<label>User Name: </label>
			<input type="text" name="username" class="form-control">
		</div>
		<div class="form-group">
			<label>Email: </label>
			<input type="email" name="email" class="form-control">
		</div>
		<div class="form-group">
			<label>Password: </label>
			<input type="password" name="pwd" class="form-control">
		</div>
		<div class="form-group">
			<p>
				<a href="login.php">I have a account</a>
			</p>
			<button class="btn btn-success">Register</button>
		</div>
	</form>
</div>
</body>
</html>


#show.php


<?php
session_start();

$fullname = $username = $email = $pwd = "";

if(isset($_SESSION['fullname'])) {
	$fullname = $_SESSION['fullname'];
}

if(isset($_SESSION['username'])) {
	$username = $_SESSION['username'];
}

if(isset($_SESSION['email'])) {
	$email = $_SESSION['email'];
}

if(isset($_SESSION['pwd'])) {
	$pwd = $_SESSION['pwd'];
}
?>
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Profile Page</title>
</head>
<body>
<ul>
	<li>Full Name: <?=$fullname?></li>
	<li>User Name: <?=$username?></li>
	<li>Email: <?=$email?></li>
	<li>Pwd: <?=$pwd?></li>
</ul>
</body>
</html>


#vidu.php


<?php
session_start();

if(isset($_POST['txt'])) {
	$txt = $_POST['txt'];

	$_SESSION['txt'] = $txt;
}

var_dump($_SESSION);
?>
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Session in PHP</title>
	<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>

	<style type="text/css">
		.form-group {
			margin-bottom: 20px;
		}
	</style>
</head>
<body>
<div class="container">
	<form method="post">
		<div class="form-group">
			<label>Testing: </label>
			<input type="text" name="txt" class="form-control" placeholder="Enter text">
		</div>
		<div class="form-group">
			<button class="btn btn-success">Save</button>
		</div>
	</form>
</div>
</body>
</html>


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