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wp_logout()

Log the current user out.

Source

File: wp-includes/pluggable.php 

function wp_logout() {
		$user_id = get_current_user_id();

		wp_destroy_current_session();
		wp_clear_auth_cookie();
		wp_set_current_user( 0 );

		/**
		 * Fires after a user is logged out.
		 *
		 * @since 1.5.0
		 * @since 5.5.0 Added the `$user_id` parameter.
		 *
		 * @param int $user_id ID of the user that was logged out.
		 */
		do_action( 'wp_logout', $user_id );
	}

Uses

Uses Description
wp-includes/user.php: wp_destroy_current_session()

Remove the current session token from the database.
wp-includes/pluggable.php: wp_clear_auth_cookie()

Removes all of the cookies associated with authentication.
wp-includes/pluggable.php: wp_logout

Fires after a user is logged out.
wp-includes/pluggable.php: wp_set_current_user()

Changes the current user by ID or name.
wp-includes/plugin.php: do_action()

Execute functions hooked on a specific action hook.
wp-includes/user.php: get_current_user_id()

Get the current user’s ID

Changelog

Version Description
2.5.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_logout