get_userdata( int $user_id ): WP_User|false

User Contributed Notes

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   Codex 10 years ago

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   Basic Usage
   The get_userdata() function returns an object of the user’s data. You can echo various parts of the returned object or loop through the data to display it all.

   Example displaying certain parts:

   <?php $user_info = get_userdata(1);
         echo 'Username: ' . $user_info->user_login . "\n";
         echo 'User roles: ' . implode(', ', $user_info->roles) . "\n";
         echo 'User ID: ' . $user_info->ID . "\n";
   ?>

   Results in:

   Username: admin
   User roles: administrator
   User ID: 1

   You can also assign certain parts into individual variables for displaying later or in multiple places.

   Example for extracting certain parts:

   <?php $user_info = get_userdata(1);
         $username = $user_info->user_login;
         $first_name = $user_info->first_name;
         $last_name = $user_info->last_name;
         echo "$first_name $last_name logs into her WordPress site with the user name of $username.";
   ?>

   Results in:

   Harriet Smith logs into her WordPress site with the user name of mrssmith.
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   Rohit Sharma 6 years ago

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   $user_info = get_userdata(1);
   $user_name = $user_info->display_name;
   $user_email = $user_info->user_email;
   echo $user_name .", ". $user_email;

   Result : John, John@example.com
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   Codex 10 years ago

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   Accessing Usermeta Data

   <?php $user_info = get_userdata(1);
         echo $user_info->last_name .  ", " . $user_info->first_name . "\n";
   ?>

   Results in:

   Doe, John