Reactphp brings the async programming concept from node.js to PHP. This talk takes you on a journey what is possible with react. From a full blown websocket service to simple concurrent HTTP requests to hosting your own custom services tailored to your needs. The focus will be on how I used reactphp for my project WyriMaps. By using those real life examples I will take you through the systems reactphp components and their interaction with other components. After I guided you through you will know what reactphp is and can let your creativity run wild with it.