物理实验室

object(mysqli)#10 (18) { ["affected_rows"]=> int(-1) ["client_info"]=> string(14) "mysqlnd 8.0.25" ["client_version"]=> int(80025) ["connect_errno"]=> int(0) ["connect_error"]=> NULL ["errno"]=> int(2006) ["error"]=> string(26) "MySQL server has gone away" ["error_list"]=> array(1) { [0]=> array(3) { ["errno"]=> int(2006) ["sqlstate"]=> string(5) "HY000" ["error"]=> string(26) "MySQL server has gone away" } } ["field_count"]=> int(10) ["host_info"]=> string(25) "Localhost via UNIX socket" ["info"]=> NULL ["insert_id"]=> int(0) ["server_info"]=> string(10) "5.7.40-log" ["server_version"]=> int(50740) ["sqlstate"]=> string(5) "HY000" ["protocol_version"]=> int(10) ["thread_id"]=> int(16) ["warning_count"]=> int(0) } object(mysqli)#10 (18) { ["affected_rows"]=> int(-1) ["client_info"]=> string(14) "mysqlnd 8.0.25" ["client_version"]=> int(80025) ["connect_errno"]=> int(0) ["connect_error"]=> NULL ["errno"]=> int(2006) ["error"]=> string(26) "MySQL server has gone away" ["error_list"]=> array(1) { [0]=> array(3) { ["errno"]=> int(2006) ["sqlstate"]=> string(5) "HY000" ["error"]=> string(26) "MySQL server has gone away" } } ["field_count"]=> int(10) ["host_info"]=> string(25) "Localhost via UNIX socket" ["info"]=> NULL ["insert_id"]=> int(0) ["server_info"]=> string(10) "5.7.40-log" ["server_version"]=> int(50740) ["sqlstate"]=> string(5) "HY000" ["protocol_version"]=> int(10) ["thread_id"]=> int(16) ["warning_count"]=> int(0) }