PHP cURL: CURLOPT_CONNECTTIMEOUT vs CURLOPT_TIMEOUT

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CURLOPT_CONNECTTIMEOUT is not a segment of the time represented by CURLOPT_TIMEOUT

If CURLOPT_CONNECTTIMEOUT is set to 3 seconds and CURLOPT_TIMEOUT to 4 seconds, execution may take up to 7 seconds.

I tested this by simulating slow server connecting (iptables drop).

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