user_id, sprintf( '%s.%d', $this->user_token, $this->user_id ), false ); return array( 'success' => Jetpack::is_user_connected( $this->user_id ) ); } function validate_input( $user_id ) { $input = $this->input(); if ( ! isset( $user_id ) ) { return new WP_Error( 'input_error', __( 'user_id is required', 'jetpack' ) ); } $this->user_id = $user_id; if ( Jetpack::is_user_connected( $this->user_id ) ) { return new WP_Error( 'user_already_connected', __( 'The user is already connected', 'jetpack' ) ); } if ( ! isset( $input['user_token'] ) ) { return new WP_Error( 'input_error', __( 'user_token is required', 'jetpack' ) ); } $this->user_token = sanitize_text_field( $input[ 'user_token'] ); return parent::validate_input( $user_id ); } }