cURL в PHP: примеры POST, GET запросов с headers, cookie...

This is a guide on how to send XML via a POST request using PHP.

SSL из PHP: socket и cURL / Хабр

How to Send XML Data to API With Curl PHP - PhpCluster

In this tutorial, we will see how to send XML Data to web services using curl in PHP. curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false)

PHP | How do I post XML using Curl?

PHP code for Curl POST XML example. If you are posting XML data using Curl, you must explicitly specify the data type in the body of the POST request message.

Send XML in soap request and attach certificate PHP - Stack Overflow

Send xml request using PHP curl

Fix SSL certificate problem with PHP curl Pete Houston

SSL Certificate with PHP CURL – PHP

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false) php7 fpm sock file ownership on service restart.

Using cURL in PHP to access HTTPS (SSL/TLS) protected sites »...