My previous article gives you an understanding of how to develop any application using RESTful APIs. But, mere implementation of API is not enough for making it more effective. It requires a proper authentication and more security. Here is the article for a secured RESTful API on a token basis. An encrypted token, which is generated based on your site id and ip address is sent with the request call; this token is then be used to authenticate to use a RESTful service in your application. Follow the demo below for your reference.

Very long back, we had published a simple PHP login system using PHP, which works only with MySQL database. Today, we are providing you an easy registration and login process using PDO connection with better password encryption, which has an advantage of working on different database systems. PDO is a PHP extension that allow us to implement code which is portable across many databases and platforms. This registration process is used in our Wall Script 8. Here is the demo of this cool & simple login / registration process.

Just a few days before, Facebook has launched Reactions, an extension of Like button. I succeeded in implementing the same in my WallScript 8, Build Your Own Social Network. Here is a quick and easy way to implement the Reactions using PHP,Jquery and PDO MySQL. It’s a basic idea of implementing the Reactions. Hope you enjoy the new Reactions for Like button..! Take a quick look at the live demo.

Dynamic subdomains like Google Blogger and Tumblr.com, I know most of the people are looking for better solution. Today I want to explain how to achieve this using .htaccess with PHP. I especially love to write .htaccess file, using this you can easily host multiple domains in single server. This dynamic subdomain system is the base for cloud services, soon I will come with new tutorial. I hope this post will solve your problem, please take a look this live demo.

Are you working for e-commerce project? Then you should have a better and secure payment system. I suggest you setup you project with BrainTree API, it is very powerful and quick. This is accepting most commonly used Cards, PayPal, Android Pay and etc. This post will explain you how to design a cart and order system with BrainTree payment process using PHP and MySQL. Take a quick look the live demo and try demo transaction.

I received many tutorial requests from my readers that asked to me how to design Facebook style ajax background image upload and position adjustment using Jquery. I have been published many tutorials about ajax image upload, this one is very interesting and it is a combination of many features. I has implemented this in Wall Script, this post will explain you how to design timeline HTML frame, CSS techniques and database design for background image system.

Two years back we had published an article called create a RESTful Services using PHP, in that most the PHP methods got depreciated. I have been looking for a simple RESTful api framework in PHP, I found few lightweight frameworks called Slim and Epiphany. In this tutorial I had implement a sample user updates RESTful web services project using Slim framework in PHP, it is very simple to implement and only focused on RESTful.

Today Google has been introduced new reCaptcha API called Are you a robot? “No Captcha reCaptcha” a complete new design captcha system. This protects your website for spammers and robots, in this post I had implemented new reCaptch API system with HTML login form using PHP. I like the new design it is clean and impressive, hope you will like it. Please take a look quick look at the demo.

An insult made me to build the Wall Script a social network script built in PHP, Jquery, Oembed, OAuth and MySQL, now my life has been changed completely. Last one year I received lots of requests from Wall Script 6 users that asked to me about more social features like Groups/Page, Notifications, Photo Album and Admin Control. Today I am introducing the most improved Wall Script 7 with lots of social network features. This script is a collaboration of 9lessons.info tutorials and adopted Twitter and Facebook social features, sure Wall Script 7 helps you to understand social networking system in a simple way.

Last few days I have been working with an important release from 9lessons.info, I am introducing many exciting features hope everybody will love. This post is about how to implement Group of Fan Page system using MySQL and PHP. Here I have discussed how to design a database and implementation of SQL queries, hope this post will help you to understand the Group/Page system.

Today I am presenting the most important social networking feature called ajax upload and resize an image without refreshing the page using jquery and PHP. This tutorial a continuation of my previous post, I just included image re-sizing function for different dimensions. It is very useful for your web project that saves lots of hosting space and bandwidth limit. Take a quick look at the live demo.

I received few tutorial requests from my readers that asked to me how to create Ajax PHP login script, in this post I want to discuss how to create a simple Ajax PHP login with welcome page using MySQL database. This will explain you creating user tables, posting form values and storing and destroying the session values. If you are a PHP beginner take a quick look at this live demo with Username: 9lessons Password: 9lessons. This post has been updated with mysqli.

Twitter is the most powerful platform that you can express your thoughts with your followers. Few months back Twitter has been updated there OAuth APIs, this tutorial will explain three import systems like, login with Twitter, storing Twitter Oauth tokens into database and update Twitter status message with your own web application. This script helps you to share your web application updates with user Twitter status updates.

I received few tutorial requests from my readers that asked to me, how to design Facebook style friend request system using MySQL. I had posted few tutorials about twitter style friend follow and follower concept designs, Facebook friend system is involved with few pending steps such as sending a request and accepting a request. Here I have discussed how to design a database and implementation of SQL queries, hope this post will help you to understand the friend system.

Nowadays GitHub.com(web based hosting service) is the most import part in developer’s life. In this I want to discuss how to implement GitHub OAuth login system for your web project, this is very simple adopt and sure it will helps you to increase your web project registrations. Please check my previous posts for Google, Facebook and Instagram OAuth login system scripts.

I found an interesting and useful class file in phpclasses.org, that helps to detect image nudity based on skin pixel score developed by Bakr Alsharif from Egypt. I had integrated this with my previous tutorial Ajax image upload with Jquery and PHP, sure this code helps you to block adult or nudity images.

Most of my readers are expecting a better chatting system from 9lessons, I have been working with different technologies like Node, Socket.io and etc. Finally I found Redis, it is an open source advanced key-value database storage system, works like NoSQL database. Redis operations can be executed on the server side and reduce the client's workload. It is used for caches to speed up web applications

I received lots tutorial requests from my readers in that most of them asked to me, how to implement email verification system using PHP. This is very basic tutorial explained how to create database and proper activation code. Implemented with mysqli_() fuctions, because mysql_() functions are depreciated.

This post is the continuation of my previous AngularJS tutorial, I had explained JSON parsing using AngularJS. In this we are going to explain how to do two way data binding with Angular JS. Data binding is the most useful feature in AngularJS, It will help you to save from writing a lots of regular code.