php - Communication between android app and web server. Is nodejs a good option? -

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i went through several topics on not sure fits needs newbie.

i creating android application website.

i reckon users can on 800000 online @ same time.

users able to: - submit data through application - read news , updates want updates happen in real time..

the question approach or technique should use?

in topics mentioned there should on server side php files accept http/post/get requests , return json data feedback.

is above-mentioned proper technique serve huge amount of users @ same time(for standards "huge" means around 800000 users @ same time)?

i came across node.js. read seems can act service user/ app can request or post data.

can give me suggestion or links things clear? how can make sure approach right 1 application?

whatever case can describe right way of doing thing?

for example: how android chat aplications suchs whatsapp, facebook etc work? how it?

i not want post code.. ideas!

thanks in advance!

if want create app facebook, snapchat ... yes must have webservice, api.

the api linked database website , return app json, content of app. api (web service) can programmed in various language php, node.js ... if want know facebook had api in php before created own language. other app have api in other language. don't know best language, best language language with, , know it.


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