$co_author = Array
(
[ID] => 235
[user_firstname] => Fergus
[user_lastname] => Gordon
[nickname] => fergus.j.gordon
[user_nicename] => fergus-j-gordon
[display_name] => Fergus Gordon
[user_email] => fergus.j.gordon@accenture.com
[user_url] =>
[user_registered] => 2020-09-23 05:00:43
[user_description] =>
[user_avatar] => 
)
Fergus Gordon
$co_author = Array
(
[ID] => 235
[user_firstname] => Fergus
[user_lastname] => Gordon
[nickname] => fergus.j.gordon
[user_nicename] => fergus-j-gordon
[display_name] => Fergus Gordon
[user_email] => fergus.j.gordon@accenture.com
[user_url] =>
[user_registered] => 2020-09-23 05:00:43
[user_description] =>
[user_avatar] =>
)