Programming a multiplayer game with javascript php sql Part 4.1 the login and logout with SQL

This tutorial will teach you how to program a multiplayer, chessgame, with a chat as well, and how to use javascript php to communicate to a database (sql).
In this video we are looking at the javascript and php that controls the login and logout. In part 4.2 we will look at the register and load and save game

Go check it out! Perfect if you want to learn about javascript
If you want my code go to the last video in this tutorial. The link will be displayed in the comments

[MrVadimster]

Very good tutorial for beginners, but would be great to show how user input should be sanitized before doing SQL. PDO has a great functionality to bind values to placeholders in a statement.

[fozkar]

What if you will move your chessman. Saving the game really?? Sick. It would be really nice if you could share this code because I have been searching this for very long time!!! :D