Curl_init() will return a resource or false if it fails, like it would if no Internet connection were present.

J Corry
Sent from my iPhone

On Dec 19, 2009, at 5:36 PM, "Angus Mann" <> wrote:

Why can't you put the update on the same LAN server that the app resides?

If that is not possible, what about using CURL, and update if it can connect successfully, but don't if it cannot?


Since the LAN is remote (many hundreds of miles away) from the source of the update, the only practical way to deliver an update every month or week to multiple users is to make it available for download from a central "update server".

I'm just trying to maximize efficiency by checking if an internet connection exists, and abandoning further attempts to check for update availability if it does not.

The idea to use CURL seems valid, but it pre-supposes that I know the answer to my own question. To use your suggestion, I'd have to have some mechanism to detect if it "can connect successfully". I'm asking what that mechanism should be, and if the one I've suggested is good, or flawed in some way.

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