Executing curl requests sequentially can result in performance issues, especially when dealing with multiple resource-intensive requests. This article explores asynchronous execution techniques to optimize curl request handling in PHP.
PHP provides built-in functions for asynchronous cURL execution using curl_multi_* commands. Here's a revised version of your code using this approach:
<code class="php">$mh = curl_multi_init(); curl_multi_add_handle($mh, $session); // session for the first request curl_multi_add_handle($mh, $ch); // ch for the second request do { $mrc = curl_multi_exec($mh, $active); } while ($mrc == CURLM_CALL_MULTI_PERFORM); while ($active & $mrc == CURLM_OK) { if (curl_multi_select($mh) != -1) { do { $mrc = curl_multi_exec($mh, $active); } while ($mrc == CURLM_CALL_MULTI_PERFORM); } } curl_multi_remove_handle($mh, $session); curl_multi_remove_handle($mh, $ch); curl_multi_close($mh);</code>
This approach uses curl_multi_exec() to execute both curl handles simultaneously.
Another option is pThreads, a threading library for PHP. Here's an example of using this library:
<code class="php">class Request1 extends Thread { // ... your implementation } class Request2 extends Thread { // ... your implementation } $req1 = new Request1(); $req1->start(); $req2 = new Request2(); $req2->start();</code>
This code creates two thread objects and starts them using the start() method. Each thread executes its own cURL request.
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