$co_author = Array
(
[ID] => 77
[user_firstname] => Hakan
[user_lastname] => Eroglu
[nickname] => hakan.eroglu
[user_nicename] => hakan-eroglu
[display_name] => Hakan Eroglu
[user_email] => hakan.eroglu@accenture.com
[user_url] =>
[user_registered] => 2018-03-23 17:18:17
[user_description] =>
[user_avatar] => 
)
Hakan Eroglu
$co_author = Array
(
[ID] => 77
[user_firstname] => Hakan
[user_lastname] => Eroglu
[nickname] => hakan.eroglu
[user_nicename] => hakan-eroglu
[display_name] => Hakan Eroglu
[user_email] => hakan.eroglu@accenture.com
[user_url] =>
[user_registered] => 2018-03-23 17:18:17
[user_description] =>
[user_avatar] =>
)
$co_author = Array
(
[ID] => 77
[user_firstname] => Hakan
[user_lastname] => Eroglu
[nickname] => hakan.eroglu
[user_nicename] => hakan-eroglu
[display_name] => Hakan Eroglu
[user_email] => hakan.eroglu@accenture.com
[user_url] =>
[user_registered] => 2018-03-23 17:18:17
[user_description] =>
[user_avatar] =>
)
Hakan Eroglu
$co_author = Array
(
[ID] => 77
[user_firstname] => Hakan
[user_lastname] => Eroglu
[nickname] => hakan.eroglu
[user_nicename] => hakan-eroglu
[display_name] => Hakan Eroglu
[user_email] => hakan.eroglu@accenture.com
[user_url] =>
[user_registered] => 2018-03-23 17:18:17
[user_description] =>
[user_avatar] =>
)