jarkkolaine

public function authenticate_with_email( $user, $email, $password ) {
    if ( is_wp_error( $user ) ) {
        // Already failed
        return $user;
    }

    if( empty( $email ) || empty ( $password ) ) {
        $error = new WP_Error();
        if ( empty( $email ) ) {
            $error->add( 'empty_username', __( '<strong>ERROR</strong>: Email field is empty.' ) );