Simple implementations (2 variants) of the reconnection mechanism for CURL in PHP.
tihoho, 07.2019
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July 11, 2019 20:10
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Simple realization of "reconnect" for php-cURL
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| <?php | |
| /** | |
| * Curl Reconnect (Variant#1: Stop by non-empty content) | |
| * @param curlHandler $ch | |
| * @param int $tries | |
| * @return string | |
| */ | |
| function curlReconnect(&$ch, $tries = 3) { | |
| try | |
| { | |
| foreach(range(0, $tries) as $try) { | |
| $response = curl_exec($ch); | |
| if(strlen($response)) { | |
| return $response; | |
| } | |
| } | |
| return ''; | |
| } catch (\Throwable $e) { | |
| return ''; | |
| } | |
| } | |
| /** | |
| * How to use Variant#1 | |
| */ | |
| $ch = curl_init('https://example.com'); | |
| curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | |
| curl_setopt($ch, CURLOPT_TIMEOUT, 5); | |
| curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); | |
| // more setopts... | |
| $response = curlReconnect($ch, 5); | |
| curl_close($ch); | |
| // ----------------------------------------------------------------------------------------------- | |
| /** | |
| * Curl Reconnect (Variant#2: Stop by status code) | |
| * | |
| * @param curlHandler $ch | |
| * @param integer $tries | |
| * @param integer $statusCode | |
| * @return string | |
| */ | |
| function curlReconnect(&$ch, $tries = 3, $statusCode = 200) { | |
| try | |
| { | |
| foreach(range(0, $tries) as $try) { | |
| $response = curl_exec($ch); | |
| if($statusCode == (int) curl_getinfo($ch, CURLINFO_RESPONSE_CODE)) { | |
| return $response; | |
| } | |
| } | |
| return ''; | |
| } catch (\Throwable $e) { | |
| return ''; | |
| } | |
| } | |
| /** | |
| * How to use Variant#2 (same as Variant#1 :) | |
| */ | |
| $ch = curl_init('https://example.com'); | |
| curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | |
| curl_setopt($ch, CURLOPT_TIMEOUT, 5); | |
| curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); | |
| // more setopts... | |
| $response = curlReconnect($ch, 5, 200); | |
| curl_close($ch); |
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