Contents
How do I reuse my curl connection?
Execute the request again, it should be able to reuse the already open connection : curl_exec($handle); You can do that as many times as you want with the same curl instance, and it’ll reuse connections if possible.
Does curl keep connection open?
When setting up TCP connections to sites, curl will keep the old connection around for a while so that if the next transfer is to the same host it can reuse the same connection again and thus save a lot of time. We call this persistent connections.
Does curl use keepalive?
curl enables TCP keep-alive by default. TCP keep-alive is a feature that makes the TCP stack send a probe to the other side when there’s no traffic, to make sure that it is still there and “alive”. By using keep-alive, curl is much more likely to discover that the TCP connection is dead.
Does cURL have a timeout?
curl has two options: –connect-timeout and –max-time . Quoting from the manpage: –connect-timeout Maximum time in seconds that you allow the connection to the server to take.
What happens when cURL times out?
When cURL times out, it typically means one of the two websites is blocking that communication. This can happen via firewalls or other means of server security. Ask your host if there are firewall or security modules (e.g. mod_security) that could block the outgoing cURL requests.
Is curl asynchronous?
1 Answer. So what you want to do is asynchronous execution of the cUrl Requests. So you would need a asynchronous/parallel processing library for php.
Is it possible to reuse the same curl handle?
If the urls are sometimes on same server you need to sort the urls as the default connection cache is limited to ten or twenty connections. If they are on different servers there is no speed advantage on using the same handle. With curl_multi_exec you can connect to different servers at a same time (parallel).
Can you connect to different curl servers at the same time?
With curl_multi_exec you can connect to different servers at a same time (parallel). Even then you need some queuing to not use thousands of simultaneous connections.
Which is faster curl init or curl reuse?
With cURL reuse: one $curlHandle that is curl_init () ‘ed once, and then only modified with CURLOPT_URL and CURLOPT_POSTFIELDS It isn’t the largest of datasets, but one can say that all of the “reused” runs are faster than all of the “init” runs. The average times show a difference of almost 14 seconds.
How to share data between handles in curl?
curl_share_setopt (share, CURLSHOPT_SHARE, CURL_LOCK_DATA_DNS); You then set up the corresponding transfer to use this share object: curl_easy_setopt (curl, CURLOPT_SHARE, share); Transfers done with this curl handle will thus use and store its cookie and dns information in the share handle.