Mobile Verification: Generate a verification code for a mobile number

 

http://www.phpclasses.org/package/4817-PHP-Generate-a-verification-code-for-a-mobile-number.html#download 

 

https://www.twilio.com/blog/2012/04/build-a-simple-phone-verification-with-twilio-php-mysql-and-jquery.html 

 

Build a Simple Phone Verification System with Twilio, PHP, MySQL, and jQuery