We start by creating an index.php page with two forms, one to collect the phone number, and one to verify the code. The code is checked against the one stored in the database and the appropriate response is returned.The web site prompts the user to enter the verification code.A random verification code is generated and sent to the user’s phone number via a text message.User visits verification web page and enters phone number If you frequently get text message spam, you’ve no doubt considered sticking a pencil in your ear out of frustration.Here’s another take on that concept, this time around we’re going to send the code via an SMS text message to their phone and have them type it in their web browser. In a previous post we walked through how to build a simple phone verification system that called a user and prompted them to enter in a code over the phone. Other applications have used this technique to help prevent spam and fraud as well. Once this process is complete, the application can safely send you alerts knowing that you are the owner of that number. This is done by sending you a short verification code that you then entered on the web site. If you’ve used a service like Google Calendar that sends out reminders via SMS, you may recall that when you set up your mobile device to receive alerts, the application verified that you were the owner of the device. ![]() Check out our updated Phone verification post here.
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