PHP login logout script with session Example

Today, We want to share with you session in php example for login and logout.In this post we will show you how to use session in php for login form with example?, hear for php simple login logout we will give you demo and example for implement.In this post, we will learn about registration and login form in php and mysql with an example.

PHP Login logout example with session

Create Database:

Create database pakainfo_app;

Create Database Table:

CREATE TABLE `employees` (
`id` INT(11) NOT NULL AUTO_INCREMENT,
`employee_nm` VARCHAR(255) NULL DEFAULT NULL,
`employee_snm` VARCHAR(255) NULL DEFAULT NULL,
`employee_mail_address` VARCHAR(255) NULL DEFAULT NULL,
`phone` VARCHAR(255) NOT NULL,
`password` VARCHAR(255) NULL DEFAULT NULL,
`created` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`id`)
)
COLLATE='latin1_swedish_ci'
ENGINE=InnoDB
AUTO_INCREMENT=7
;

Create Database Configuration file:

config.php

<?php 
	$host = 'localhost';
	$DBUser = "root";
	$DBPassword = '[email protected]';
	$db = 'pakainfo_app';
	
	$link = mysqli_connect($host,$DBUser, $DBPassword, $db);
	
	if(!$link)
	{
		die(mysqli_error());
	}
	
?>

HTML Login Form:

index.php

<div class="container">
		<h2>PHP Login and Logout with Session - www.pakainfo.com</h2>
		<form action="<?php echo $_SERVER['PHP_SELF']?>" method="post">
			<div class="field-container">
				<label>Employee Email</label>
				<input type="email" name="employee_mail_address" required placeholder="Enter Your Employee Email">
			</div>
			<div class="field-container">
				<label>Employee Password</label>
				<input type="password" name="password" required placeholder="Enter Your Employee Password">
			</div>
			<div class="field-container">
				<button type="submit" name="submit">Submit</button>
			</div>
			
		</form>
	</div>

Style.css:

body{
	font-family:verdana;
	background-color:#aaaae3;
}

.container{
	width:40%;
	margin:10% auto;
	border:1px solid #eeeeee;
	background:#ffffff;
}

.container-dashboard{
	width:90%;
	border:1px solid #eeeeee;
	background:#ffffff;
	padding:10px;
}

.field-container{
	margin:10px auto;
	width:400px;
}
	
h1{
	text-align:center;
	line-height:30px;
	font-size:24px;
	color:#061e5a;
}

label{
	display:block;
	padding-bottom:5px;
	color:#F05519;
	font-weight:500;
}

input[type=email],input[type=password]{
	border:1px solid #eeeeee;
	width:100%;
	height:30px;
	padding-left:4px;
	
}

button{
	background:#061e5a;
	border:1px solid #061e5a;
	color:#ffffff;
	margin:10px 0px;
	padding:5px;
}

button:hover{
	background:#F05519;
	border:1px solid #F05519;
}


.error-msg{
	border:1px solid #ee0000;
	background:#ee0000;
	color:#ffffff;
	padding:2px;
	font-size:13px;
}

.success-msg{
	border:1px solid #0ebc6f;
	background:#0ebc6f;
	color:#ffffff;
	font-size:13px;
	padding:2px;
}


.employee-name{
	color:#ee0000;
}

.signout-link{
	margin-top:10px;
	display:block;
	background:#061e5a;
	border:1px solid #061e5a;
	color:#ffffff;
	width:48px;
	padding:5px;
	text-decoration:none;
	font-size:13px;
}

After Form Submit PHP Code:

index.php

<?php 
	require('config.php');
	session_start();
	
	
	if(isset($_POST['submit']))
	{
		if((isset($_POST['employee_mail_address']) && $_POST['employee_mail_address'] !='') && (isset($_POST['password']) && $_POST['password'] !=''))
		{
			$employee_mail_address = trim($_POST['employee_mail_address']);
			$password = trim($_POST['password']);
			
			$sqlEmail = "select * from employees where employee_mail_address = '".$employee_mail_address."'";
			$rs = mysqli_query($link,$sqlEmail);
			$numRows = mysqli_num_rows($rs);
			
			if($numRows  == 1)
			{
				$row = mysqli_fetch_assoc($rs);
				
				if(password_verify($password,$row['password']))
				{
					$_SESSION['employee_id'] = $row['id'];
					$_SESSION['employee_nm'] = $row['employee_nm'];
					$_SESSION['employee_snm'] = $row['employee_snm'];
					
					header('location:dashboard.php');
					exit;
					
				}
				else
				{
					$errorMsg =  "Wrong Email Or Password";
				}
			}
			else
			{
				$errorMsg =  "No User Found";
			}
		}
	}
?>

After Successful Login:

Dashboard.php

<?php 
	session_start();
		
	if(!isset($_SESSION))
	{
		header('location:index.php');
		exit;
	}
	
?>

<!DOCTYPE html>
<html>
<head>
<title>Dashboard | PHP Login and logout example with session</title>
<link rel="stylesheet" href="style.css">
</head>

<body>
	<div class="container-dashboard">
		Welcome to the dashboard! <span class="employee-name"><?php echo ucwords($_SESSION['employee_nm'])?> <?php echo ucwords($_SESSION['employee_snm']);?> </span> 
		<br>
		
		<a href="signout.php?signout=true" class="signout-link">Logout</a>
	</div>
</body>
</html>

Session Destroy:

signout.php

<?php 

if(isset($_GET['signout']))
{
	session_destroy();
	header('location:index.php?signout=true');
	exit;
}
?>

Error Message: (index.php)

index.php

<?php 
	if(isset($errorMsg))
	{
		echo "<div class='error-msg'>";
		echo $errorMsg;
		echo "</div>";
		unset($errorMsg);
	}
?>

Successfully Logout Message:

index.php

<?php 
	if(isset($_GET['signout']))
	{
		echo "<div class='success-msg'>";
		echo "You have successfully signout";
		echo "</div>";
		
	}
?>

I hope you get an idea about dynamic login page in php.
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