Elgg\Database\ConfigTable::set PHP Метод

    function set($name, $value)
    {
        $name = trim($name);
        // cannot store anything longer than 255 characters in db, so catch before we set
        if (elgg_strlen($name) > 255) {
            $this->logger->error("The name length for configuration variables cannot be greater than 255");
            return false;
        }
        $this->CONFIG->{$name} = $value;
        $dbprefix = $this->CONFIG->dbprefix;
        $sql = "\n\t\t\tINSERT INTO {$dbprefix}config\n\t\t\tSET name = :name,\n\t\t\t\tvalue = :value\n\t\t\tON DUPLICATE KEY UPDATE value = :value\n\t\t";
        $params = [':name' => $name, ':value' => serialize($value)];
        $version = (int) $this->CONFIG->version;
        if (!empty($version) && $version < 2016102500) {
            // need to do this the old way as long as site_guid columns have not been dropped
            $sql = "\n\t\t\t\tINSERT INTO {$dbprefix}config\n\t\t\t\tSET name = :name,\n\t\t\t\t\tvalue = :value,\n\t\t\t\t\tsite_guid = :site_guid\n\t\t\t\tON DUPLICATE KEY UPDATE value = :value\n\t\t\t";
            $params[':site_guid'] = 1;
        }
        $result = $this->db->insertData($sql, $params);
        $this->boot->invalidateCache();
        return $result !== false;
    }