How to display current_user bio

You probably want to use wp_get_current_user to find out which user is browsing the site.

$current_user = wp_get_current_user();

echo 'User ID: ' . $current_user->ID . '<br />';

From there you’ll use the ID to pull the user’s metadata with get_user_meta.

$all_meta_for_user = get_user_meta( $current_user->ID );

echo 'User Description: ' . $all_meta_for_user['description'] . '<br />';

The description key is probably what you’re after.

As you pointed out, the WP_User already includes a few fields on it which may be duplicated in the user_meta, including $current_user->description.

    /**
11   * Core class used to implement the WP_User object.
12   *
13   * @since 2.0.0
14   *
15   * @property string $nickname
16   * @property string $description
17   * @property string $user_description
18   * @property string $first_name
19   * @property string $user_firstname
20   * @property string $last_name
21   * @property string $user_lastname
22   * @property string $user_login
23   * @property string $user_pass
24   * @property string $user_nicename
25   * @property string $user_email
26   * @property string $user_url
27   * @property string $user_registered
28   * @property string $user_activation_key
29   * @property string $user_status
30   * @property string $display_name
31   * @property string $spam
32   * @property string $deleted
33   */

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