socket php

socket terms :

channel : 

pusher called it channel
google called it topic.
connection name with socket server.



broadcasting :

when any changes happens in server it 
broadcast it in socket server.


laravel echo :

client side js library.
after broadcast it in socket server it received by client 
by laravel echo


socket programming :

Sockets are used for interprocess communication. Interprocess communication is generally
based on client-server model. In this case, client-server are the applications that interact with each other. 
Interaction between client and server requires a connection. Socket programming is responsible for establishing that 
connection between applications to interact.


socket server :

it track changes in web server.
we will request socket server for feedback any changes.
It handle broadcast > echo > channel