How to make an https request using cURL?

Question

PHP

I'm trying to make a request to a site that verifies my certificate. Does not exceed.

<?php
$url = 'https://payments.mtsbank.ru/ecomm/MerchantHandler';
 
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, '2');
curl_setopt($ch, CURLOPT_SSLCERT, './cert.pem');
curl_setopt($ch, CURLOPT_SSLKEY, './key.pem');
curl_setopt($ch, CURLOPT_SSLKEYPASSWD, 'password');
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
$result = curl_exec ($ch);
 
echo $result;
if ($result == NULL) {
echo "Error:\n";
echo curl_errno($ch) . " - " . curl_error($ch) . "\n";
}
 
curl_close ($ch);
?>

cURL swears Error: 58 - Unable to load client key -8178.

Answer 1

Discussion in the comments

curl_setopt ($ch, CURLOPT_POST, 1);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER, false)

? Or here (StOw) maybe something useful

curl_setopt ($ch, CURLOPT_CAINFO, dirname(__FILE__)."/cert.pem");

Answer 2

Kind! I also faced such problem. Maybe it's the PHP version or server settings, since the same script refused to work on PHP5, but on PHP7 everything works fine - all this was tested on the same server