Manage a List of Safe Phone Numbers in PHP with Twilio Verify's Safe List API

The tutorial by Matthew Setter explains how to integrate Twilio Verify's Safe List API into PHP applications to manage phone numbers that should not be blocked by Twilio's Verify Fraud Guard or Geo Permissions. The guide discusses setting up a PHP project with necessary dependencies, configuring Composer, and creating routes to add, view, and delete phone numbers from the Safe List using Twilio's PHP Helper Library. It emphasizes ensuring phone numbers are in E.164 format for validation, provides utility functions for error handling, and outlines testing procedures to verify the application's functionality. The tutorial aims to help developers maintain a list of safe phone numbers within their applications while keeping them secure from suspicious activities.