php - HTTP request coming from mobile browser or an app? -

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i want know whether request coming android app, ios app or mobile browser.

i'm able distinguish between android app & browser.

i'm using following code distinguish:

if($_server['http_x_requested_with'] == 'com.example.user' ){     $curos='android'; } else{     $curos='mobile'; }

does ios make such request? or have better solution? need because i'm using webview apps both android & ios platform.

any appreciated.


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