$co_author = Array
(
    [ID] => 263
    [user_firstname] => Tony
    [user_lastname] => Gomes
    [nickname] => tony.gomes
    [user_nicename] => tony-gomes
    [display_name] => Tony Gomes
    [user_email] => tony.gomes@accenture.com
    [user_url] => 
    [user_registered] => 2020-12-07 06:49:53
    [user_description] => 
    [user_avatar] => 
)

 $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] => 
)

 $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] => 
)