mysqli Object ( [affected_rows] => -1 [client_info] => mysqlnd 7.4.3 [client_version] => 70403 [connect_errno] => 0 [connect_error] => [errno] => 0 [error] => [error_list] => Array ( ) [field_count] => 0 [host_info] => 3.7.50.219 via TCP/IP [info] => [insert_id] => 0 [server_info] => 5.7.38-0ubuntu0.18.04.1 [server_version] => 50738 [sqlstate] => 00000 [protocol_version] => 10 [thread_id] => 31719907 [warning_count] => 0 )