PHP MySQL - Prevent Block Multiple Login for Same User

Learn How to Restrict Multiple Login using a Single Account in PHP. In tutorial you can find How to Prevent an User to Login from Multiple Location with the Same Login access in PHP. So here we have show you simple code flow, with database architecture and PHP Script for Prevent Login on Multiple Devices of Single User in PHP.

TIMESTAMPS
00:00 Intro
00:42 Database Structure
01:28 Directory Structure
01:42 Create HTML Login Form
03:00 Make MySQL Database Connection
03:47 PHP Script for Validate Form Data
07:06 Check User Login Details
10:11 Generate Session ID
10:52 Update newly generated Session ID in MySQL Table
11:43 Store Data in $_SESSION variable
12:26 Display Validation Error on Web Page
12:54 Write PHP Script on Home.php file
14:28 Write PHP Script for Logout
15:19 Check Login Form Output in Browser
17:50 Create JavaScript function for check session id
20:13 Write PHP script for check session id at check_login.php file
22:29 Check Final Output in browser for prevent multiple login

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