(PHP 7 >= 7.1.0, PHP 8)
curl_share_errno — Return the last share curl error number
Return an integer containing the last share curl error number.
share_handle
A cURL share handle returned by curl_share_init().
   Returns an integer containing the last share curl error number,
    or false on failure.
  
| Version | Description | 
|---|---|
| 8.0.0 | The function no longer returns falseon failure. | 
| 8.0.0 | share_handleexpects a CurlShareHandle
  instance now; previously, a resource was expected. |