/**
* Retrieve a user ID from the API key provided.
*
* @since 1.4
* @global obj $wpdb
* @param str $api_key The API from which to retrieve the user.
* @return void
*/
public function get_user()
{
global $wpdb;
if (empty($key)) {
$key = $this->request->get_param('api_key');
}
if (empty($key)) {
return false;
}
$user = get_transient(md5('mdjm_api_user_' . $key));
if (false === $user) {
$user = $wpdb->get_var($wpdb->prepare("SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = %s LIMIT 1", $key));
set_transient(md5('mdjm_api_user_' . $key), $user, DAY_IN_SECONDS);
}
if ($user != NULL) {
$this->user_id = $user;
return $user;
}
return false;
}