php - simple message posting / getting back as JSON object for Android app -

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i'm working java android , absolutely have 0 knowledge of php. know how send data php or receive data in json in android, got 0 knowledge php.

all need simple "message board" - no discussion threads, name, message , time when posted - send android app php, should store , when app asks - should give me json data name/message/time of messages there on server.

well, don't know if it's simple task or not. way see - should simple once again don't know php -maybe it's 1000 lines code) want feature in app :) if it's not simple , needs lot of code - :) if there's not code - please me that. tried google - there solutions large scale message boards, etc thank you


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