array ( 'url' => 'https://pubmed.salk.edu/search/personcode/3481', 'content_type' => NULL, 'http_code' => 0, 'header_size' => 0, 'request_size' => 0, 'filetime' => -1, 'ssl_verify_result' => 0, 'redirect_count' => 0, 'total_time' => 0.004165, 'namelookup_time' => 0.004114, 'connect_time' => 0.0, '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' => '198.202.67.101', 'certinfo' => array ( ), 'primary_port' => 443, 'local_ip' => '', 'local_port' => 0, )error occured during curl exec. Info: