VaultPress::updated_auto_register_option PHP Method

    function updated_auto_register_option($old_value, $value)
    {
        // Not an API call or CLI call
        if (!class_exists('WPCOM_JSON_API_Update_Option_Endpoint') && !(defined('WP_CLI') && WP_CLI)) {
            return;
        }
        remove_action("update_option_{$this->auto_register_option}", array($this, 'updated_auto_register_option'));
        $defaults = array('key' => false, 'action' => 'register', 'status' => 'working', 'error' => false);
        // `wp_parse_args` uses arrays, might as well be explicit about it.
        $registration = (array) json_decode($value);
        $registration = wp_parse_args($registration, $defaults);
        // If we have a working connection, don't update the key.
        if ($this->check_connection(true)) {
            $registration['action'] = 'response';
            $registration['error'] = 'VaultPress is already registered on this site.';
            update_option($this->auto_register_option, json_encode($registration));
            return;
        }
        if (!$registration['key']) {
            return;
        }
        $registration['action'] = 'response';
        $response = $this->register($registration['key']);
        if (is_wp_error($response)) {
            $registration['status'] = 'broken';
            $registration['error'] = $response->get_error_message();
        } else {
            if ($this->get_option('connection_error_code')) {
                $registration['status'] = 'broken';
                $registration['error'] = $this->get_option('connection_error_message');
            } else {
                $registration['error'] = false;
            }
        }
        update_option($this->auto_register_option, json_encode($registration));
    }