iphone - Need guideline about IOS notification process with php api -

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i'm php developer, , developed api fetching data database , converting json encode ios app.

according ios developer ios app hitting api file notification once user open app , kill it.

what need do?

according requirement once ios app hit api , received data database ios app should not received data again till 20 minutes, in other words can app shouldn't hit again api file.

what wanted know?

i want know possible above mention task (ios app shouldn't received notification or data server till 20 minutes once received it.) in ios app. ios developer said me not possible inside app, can done server , php side. can guide me possible inside app ? appreciate.

yes possible ios app. developer can use nstimer , set time limit 20 mins.


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