This July 2019 roundup of top PHP tutorials from Twilio features seven engaging tutorials covering various topics such as building chatbots, RESTful APIs, product verification applications, domain renewal notifications, phone validators, and more. The tutorials cover a range of skills including Laravel, MySQL, Authy, and Namecheap API, and are designed to help developers build the future of communications. The featured tutorials aim to provide practical knowledge and insights into building effective communication systems using Twilio's services.