ecshop适应在PHP7的修改方法解决报错

if (!defined('DITAN_ECS'))
{
    die('Hacking attempt');
}

class cls_mysql
{
    var $link_id    = NULL;

    var $settings   = array();

    var $queryCount = 0;
    var $queryTime  = '';
    var $queryLog   = array();

    var $max_cache_time = 300; // 最大的缓存时间，以秒为单位

    var $cache_data_dir = 'temp/query_caches/';
    var $root_path      = '';

    var $error_message  = array();
    var $platform       = '';
    var $version        = '';
    var $dbhash         = '';
    var $starttime      = 0;
    var $timeline       = 0;
    var $timezone       = 0;
    // 事务指令数
    protected $transTimes = 0;

    var $mysql_config_cache_file_time = 0;

    var $mysql_disable_cache_tables = array(); // 不允许被缓存的表，遇到将不会进行缓存

    function __construct($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'gbk', $pconnect = 0, $quiet = 0)
    {
        $this->cls_mysql($dbhost, $dbuser, $dbpw, $dbname, $charset, $pconnect, $quiet);
    }

    function cls_mysql($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'gbk', $pconnect = 0, $quiet = 0)
    {
        if (defined('EC_CHARSET'))
        {
            $charset = strtolower(str_replace('-', '', EC_CHARSET));
        }

        if (defined('ROOT_PATH') && !$this->root_path)
        {
            $this->root_path = ROOT_PATH;
        }

        if ($quiet)
        {
            $this->connect($dbhost, $dbuser, $dbpw, $dbname, $charset, $pconnect, $quiet);
        }
        else
        {
            $this->settings = array(
                                    'dbhost'   => $dbhost,
                                    'dbuser'   => $dbuser,
                                    'dbpw'     => $dbpw,
                                    'dbname'   => $dbname,
                                    'charset'  => $charset,
                                    'pconnect' => $pconnect
                                    );
        }
    }

    function connect($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'utf8', $pconnect = 0, $quiet = 0)
    {
        if ($pconnect)
        {
            $this->link_id = new mysqli('p:'.$dbhost, $dbuser, $dbpw);
            if ($this->link_id->connect_error)
            {
                if (!$quiet)
                {
                    $this->ErrorMsg("Can't pConnect MySQL Server($dbhost)!");
                }

                return false;
            }
        }
        else
        {
            $this->link_id = new mysqli($dbhost, $dbuser, $dbpw);

            if ($this->link_id->connect_error)
            {
                if (!$quiet)
                {
                    $this->ErrorMsg("Can't Connect MySQL Server($dbhost)!");
                }

                return false;
            }
        }

        $this->dbhash  = md5($this->root_path . $dbhost . $dbuser . $dbpw . $dbname);
        $this->version = $this->link_id->server_version;

        /* 对字符集进行初始化 */
        $this->link_id->set_charset($charset);
        
        $this->link_id->query("SET sql_mode=''");
        $sqlcache_config_file = $this->root_path . $this->cache_data_dir . 'sqlcache_config_file_' . $this->dbhash . '.php';

        @include($sqlcache_config_file);

        $this->starttime = time();

        if ($this->max_cache_time && $this->starttime > $this->mysql_config_cache_file_time + $this->max_cache_time)
        {
            if ($dbhost != '.')
            {
                $result = $this->link_id->query("SHOW VARIABLES LIKE 'basedir'");
                $row = $result->fetch_array(MYSQLI_ASSOC);
                $result->free();
                if (!empty($row['Value']{1}) && $row['Value']{1} == ':' && !empty($row['Value']{2}) && $row['Value']{2} == "/")
                {
                    $this->platform = 'WINDOWS';
                }
                else
                {
                    $this->platform = 'OTHER';
                }
            }
            else
            {
                $this->platform = 'WINDOWS';
            }

            if ($this->platform == 'OTHER' &&
                ($dbhost != '.' && strtolower($dbhost) != 'localhost:3306' && $dbhost != '127.0.0.1:3306') ||
                date_default_timezone_get() == 'UTC')
            {
                $result = $this->link_id->query("SELECT UNIX_TIMESTAMP() AS timeline, UNIX_TIMESTAMP('" . date('Y-m-d H:i:s', $this->starttime) . "') AS timezone");
                $row = $result->fetch_array(MYSQLI_ASSOC);
                $result->free();
                if ($dbhost != '.' && strtolower($dbhost) != 'localhost:3306' && $dbhost != '127.0.0.1:3306')
                {
                    $this->timeline = $this->starttime - $row['timeline'];
                }
                if (date_default_timezone_get() == 'UTC')
                {
                    $this->timezone = $this->starttime - $row['timezone'];
                }
            }

            $content = '<' . "?php\\r\\n" .
                       '$this->mysql_config_cache_file_time = ' . $this->starttime . ";\\r\\n" .
                       '$this->timeline = ' . $this->timeline . ";\\r\\n" .
                       '$this->timezone = ' . $this->timezone . ";\\r\\n" .
                       '$this->platform = ' . "'" . $this->platform . "';\\r\\n?" . '>';

            @file_put_contents($sqlcache_config_file, $content);
        }

        /* 选择数据库 */
        if ($dbname)
        {
            
            if ($this->link_id->select_db($dbname) === false )
            {
                if (!$quiet)
                {
                    $this->ErrorMsg("Can't select MySQL database($dbname)!");
                }

                return false;
            }
            else
            {
                return true;
            }
        }
        else
        {
            return true;
        }
    }

    function select_database($dbname)
    {
        return $this->link_id->select_db($dbname);
    }

    function set_mysql_charset($charset)
    {
        if (in_array(strtolower($charset), array('gbk', 'big5', 'utf-8', 'utf8')))
        {
            $charset = str_replace('-', '', $charset);
        }
        $this->link_id->set_charset($charset);
    }

    function fetch_array($query, $result_type = MYSQLI_ASSOC)
    {
        $row = $query->fetch_array($result_type);
        $query->free();
        return $row;
    }

    function query($sql, $type = '')
    {
        if ($this->link_id === NULL)
        {
            $this->connect($this->settings['dbhost'], $this->settings['dbuser'], $this->settings['dbpw'], $this->settings['dbname'], $this->settings['charset'], $this->settings['pconnect']);
            $this->settings = array();
        }

        if ($this->queryCount++ <= 99)
        {
            $this->queryLog[] = $sql;
        }
        if ($this->queryTime == '')
        {
            if (PHP_VERSION >= '5.0.0')
            {
                $this->queryTime = microtime(true);
            }
            else
            {
                $this->queryTime = microtime();
            }
        }

        /* 当当前的时间大于类初始化时间的时候，自动执行 ping 这个自动重新连接操作 */
        if (time() > $this->starttime + 1)
        {
            $this->link_id->ping();
        }

        if (!($query = $this->link_id->query($sql)) && $type != 'SILENT')
        {
            $this->error_message[]['message'] = 'MySQL Query Error';
            $this->error_message[]['sql'] = $sql;
            $this->error_message[]['error'] = $this->link_id->error;
            $this->error_message[]['errno'] = $this->link_id->errno;

            $this->ErrorMsg();

            return false;
        }

        if (defined('DEBUG_MODE') && (DEBUG_MODE & 8) == 8)
        {
            $logfilename = $this->root_path . DATA_DIR . '/mysql_query_' . $this->dbhash . '_' . date('Y_m_d') . '.log';
            $str = $sql . "\\n\\n";

            if (PHP_VERSION >= '5.0')
            {
                file_put_contents($logfilename, $str, FILE_APPEND);
            }
            else
            {
                $fp = @fopen($logfilename, 'ab+');
                if ($fp)
                {
                    fwrite($fp, $str);
                    fclose($fp);
                }
            }
        }

        return $query;
    }

    function affected_rows()
    {
        return $this->link_id->affected_rows;
    }

    function error()
    {
        return $this->link_id->error;
    }

    function errno()
    {
        return $this->link_id->errno;
    }

    function result($query, $row)
    {
        $query->data_seek($row);
        $result = $query->fetch_row();
        $query->free();
        return $result;
    }

    function num_rows($query)
    {
        return $query->num_rows;
    }

    function num_fields($query)
    {
        return $this->link_id->field_count;
    }

    function free_result($query)
    {
        return $query->free();
    }

    function insert_id()
    {
        return $this->link_id->insert_id;
    }

    function fetchRow($query)
    {
        return $query->fetch_assoc();
    }

    function fetch_fields($query)
    {
        return $query->fetch_field();
    }

    function version()
    {
        return $this->version;
    }

    function ping()
    {
        return $this->link_id->ping();
    }

    function escape_string($unescaped_string)
    {
        return $this->link_id->real_escape_string($unescaped_string);
    }

    function close()
    {
        return $this->link_id->close();
    }

    function ErrorMsg($message = '', $sql = '')
    {
        if ($message)
        {
            echo "<b>DTXB info</b>: $message\\n\\n<br /><br />";
            //print('<a href="http://faq.comsenz.com/?type=mysql&dberrno=2003&dberror=Can%27t%20connect%20to%20MySQL%20server%20on" target="_blank">http://faq.comsenz.com/</a>');
        }
        else
        {
            echo "<b>MySQL server error report:";
            print_r($this->error_message);
            //echo "<br /><br /><a href='http://faq.comsenz.com/?type=mysql&dberrno=" . $this->error_message[3]['errno'] . "&dberror=" . urlencode($this->error_message[2]['error']) . "' target='_blank'>http://faq.comsenz.com/</a>";
        }

        exit;
    }

/* 仿真 Adodb 函数 */
    function selectLimit($sql, $num, $start = 0)
    {
        if ($start == 0)
        {
            $sql .= ' LIMIT ' . $num;
        }
        else
        {
            $sql .= ' LIMIT ' . $start . ', ' . $num;
        }

        return $this->query($sql);
    }

    function getOne($sql, $limited = false)
    {
        if ($limited == true)
        {
            $sql = trim($sql . ' LIMIT 1');
        }

        $res = $this->query($sql);
        if ($res !== false)
        {
            $row = $res->fetch_row();
            $res->free();
            if ($row !== false)
            {
                return $row[0];
            }
            else
            {
                return '';
            }
        }
        else
        {
            return false;
        }
    }

    function getOneCached($sql, $cached = 'FILEFIRST')
    {
        $sql = trim($sql . ' LIMIT 1');

        $cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
        if (!$cachefirst)
        {
            return $this->getOne($sql, true);
        }
        else
        {
            $result = $this->getSqlCacheData($sql, $cached);
            if (empty($result['storecache']) == true)
            {
                return $result['data'];
            }
        }

        $arr = $this->getOne($sql, true);

        if ($arr !== false && $cachefirst)
        {
            $this->setSqlCacheData($result, $arr);
        }

        return $arr;
    }

    function getAll($sql)
    {
        $res = $this->query($sql);
        if ($res !== false)
        {
            $arr = $res->fetch_all(MYSQLI_ASSOC);
            $res->free();
             return $arr;
        }
        else
        {
            return false;
        }
    }

    function getAllCached($sql, $cached = 'FILEFIRST')
    {
        $cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
        if (!<