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(6)
  ["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(637)
  ["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"]=>
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  ["errno"]=>
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  ["error"]=>
  string(26) "MySQL server has gone away"
  ["error_list"]=>
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      ["error"]=>
      string(26) "MySQL server has gone away"
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  ["field_count"]=>
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  ["host_info"]=>
  string(25) "Localhost via UNIX socket"
  ["info"]=>
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  ["server_info"]=>
  string(10) "5.7.40-log"
  ["server_version"]=>
  int(50740)
  ["sqlstate"]=>
  string(5) "HY000"
  ["protocol_version"]=>
  int(10)
  ["thread_id"]=>
  int(637)
  ["warning_count"]=>
  int(0)
}
<div style="font-size:12px;text-align:left; border:1px solid #9cc9e0; padding:1px 4px;color:#000000;font-family:Arial, Helvetica,sans-serif;"><span><b>MySQL Query : </b> SELECT * FROM `www_szsjmj_com`.`v9_download` WHERE `catid` = '20' AND `id`<'55889' AND `status`=99 ORDER BY id DESC LIMIT 1 <br /><b> MySQL Error : </b> <br /> <b>MySQL Errno : </b>2006 <br /><b> Message : </b> MySQL server has gone away <br /><a href='http://faq.phpcms.cn/?errno=2006&msg=' target='_blank' style='color:red'>Need Help?</a></span></div>