Uses
| Uses | Description | 
|---|---|
| wp-includes/pluggable.php: wp_authenticate() | Authenticate a user, confirming the login credentials are valid. | 
| wp-includes/functions.php: _deprecated_function() | Mark a function as deprecated and inform when it has been used. | 
| wp-includes/load.php: is_wp_error() | Check whether variable is a WordPress Error. |