Xenon is a universal SMS sending library specially for Bangladesh. You can integrate this library in your PHP application easily for sending SMS to any Bangladeshi mobile number. This is for raw PHP.

Web based application to send SMS over Android and SMS Gateway API - www.firstplato.com

This library helps to easily integrate Zigatext Messaging Platform into your PHP project.

Ozioma for PHP library helps to make API calls to Ozioma Cloud Messaging and Communications Platform birthday contact and sms newsletter subscription.