mysql-database-class

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<?
    class db
    {
        function db ()
        {
            $user = "usr";
            $pass = "pass";
            $host = "localhost";
            $dbdb = "dbnaam";
            
            if (!@mysql_select_db($dbdb, @mysql_connect($host, $user, $pass)))
            {
                echo "Could not establish a database connection.";
                exit();
            }
        }
        
        function dbexec ($sql)
        {
            $res = mysql_query($sql) or die(mysql_error());      
            return $res;
        }
        
        function dblastid ()
        {
            $res = mysql_insert_id();
            return $res;
        }
    
        function dbinsert ($table, $values)
        {
            $sql = "INSERT INTO ";
            $sql .= $table;
            $sql .= " SET ";
            
            foreach ($values as $key => $value)
            {
                if ($key != "submit")
                {
                    if (!$keys)
                    {
                        $keys = 1;
                        $sql .= $key . " = '" . $value . "'";
                    }
                    else
                        $sql .= ", " . $key . " = '" . $value . "'";
                }
            }
            
            $res = $this->dbexec($sql);
            
            return $res;
        }
        
        function dbarray ($res)
        {
            $row = mysql_fetch_array($res);
            
            return $row;
        }
        
        function dbselect ($fields, $table, $array = '', $where = '', $order = '', $limit = '')
        {
            $sql = "SELECT ";
            $sql .= $fields;
            $sql .= " FROM ";
            $sql .= $table;
            
            //--- where clause
            if ($where)
            {
                $sql .= " WHERE ";
                $sql .= $where;
            }
            
            //--- order clause
            if ($order)
            {
                $sql .= " ORDER BY ";
                $sql .= $order;
            }
            
            //--- limit clause
            if ($limit)
            {
                    $sql .= " LIMIT ";
                    $sql .= $limit;
            }
            
            $res = $this->dbexec($sql);
            
            if ($array)
                $res = $this->dbarray($res);
            
            return $res;
        }
        
        function dbnumrows($result)
        {
            if (mysql_num_rows($result) >= 1)
                return mysql_num_rows($result);
        }
        
        function dbupdate ($table, $values, $where = '')
        {
            $sql = "UPDATE ";
            $sql .= $table;
            $sql .= " SET ";

            foreach ($values as $key => $value)
            {
                if ($key != "submit")
                {
                    if (!$keys)
                    {
                        $keys = 1;
                        $sql .= $key . " = '" . $value . "'";
                    }
                    else
                        $sql .= ", " . $key . " = '" . $value . "'";
                }
            }
            
            if ($where)
            {
                $sql .= " WHERE ";
                $sql .= $where;
            }
            
            $res = $this->dbexec($sql);
            
            return $res;
        }
    }
?>

 
 

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