OTP or one-time password is a fast and effective way to verify the mobile number of the user. This method is widely used for mobile number verification in the web application, mostly in banking and e-commerce sites. Generally, OTP is sent to the user’s m...

These days SMS feature is used for various purposes in the web application. For example user authentication, OTP verification, and sending notifications to users. To send SMS from a PHP script you need to select the best SMS gateway provider that is suitab...