string(63) "SSL certificate problem: unable to get local issuer certificate" array ( 'url' => 'https://app.artpilot.com/api/get/loadPrices', 'content_type' => NULL, 'http_code' => 0, 'header_size' => 0, 'request_size' => 0, 'filetime' => -1, 'ssl_verify_result' => 20, 'redirect_count' => 0, 'total_time' => 0.0409100000000000019184653865522705018520355224609375, 'namelookup_time' => 0.00022399999999999999663984062703292465812410227954387664794921875, 'connect_time' => 0.018269000000000000516475751055622822605073451995849609375, 'pretransfer_time' => 0.0, 'size_upload' => 0.0, 'size_download' => 0.0, 'speed_download' => 0.0, 'speed_upload' => 0.0, 'download_content_length' => -1.0, 'upload_content_length' => -1.0, 'starttransfer_time' => 0.0, 'redirect_time' => 0.0, 'redirect_url' => '', 'primary_ip' => '', 'certinfo' => array ( ), 'primary_port' => -1, 'local_ip' => '', 'local_port' => -1, 'http_version' => 0, 'protocol' => 2, 'ssl_verifyresult' => 0, 'scheme' => 'https', 'appconnect_time_us' => 0, 'connect_time_us' => 18269, 'namelookup_time_us' => 224, 'pretransfer_time_us' => 0, 'redirect_time_us' => 0, 'starttransfer_time_us' => 0, 'total_time_us' => 40910, )error occured during curl exec. Additioanl info: