In our previous post, explains you the login system using PHP with PDO connection. Here is an extra feature that can be added to login system for an extra layer of security. It is 2 factor authentication using Google Authenticator App for Android/iPhone. Your account could be at risk of having your password stolen. 2 step verification can protect from misuse of your account if someone have your password, because logging into your account always require a security code(this verification code is uniquely designed for your account, if you opt for verification code, an unique code is sent to your mobile for every 30-60 seconds) in the second step after you enter your password.

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.

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.

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.

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 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.

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.

Regular expression is the most important part in form validations and it is widely used for search, replace and web crawling systems. If you want to write a selector engine (used to find elements in a DOM), it should be possible with Regular Expressions. In this post we explained few tips that how to understand and write the Regular Expression in simple way.

Very few days back I had posted an article about Multiple ajax image upload without refreshing the page using jquery and PHP. In this post I have updated few lines of code that allows to user can select and upload multiple images in single shot, thanks to Lakshmi Maddukuri for sending me a useful piece of code. Just take a quick look this live demo.

If you are working with Restful API’s and you must need to send a JSON input response via web project, especially for Node projects. This post helps you to create a JSON input string using JavaScript. It's very useful, converting Data objects to JSON data format implemented with $.toJSON Jquery plugin.