i just need to get some information about a solution i'm trying to implement.I have to write a push service that can be used to push messages to android and ios apps the project is an ionic app.
So far i have come across Google Cloud Messaging ,Firebase ,Pusher ,push.ionic.io but all of them are third party.
Is there any documentation that explain how to make such a push service using php.I have previously worked using rachet for websocket.As i understand this type of service must be based on websocket.