Simple MySql class 0.2

<?
class MySql {
	public function query($sql){
		$query = @mysql_query($sql, $this->handle) or die(mysql_errno().": ".mysql_error());
		return new Result($query);
	}	
 
	public function connect($host, $root, $pass, $data){
		$connect = @mysql_connect($host, $root, $pass) or die(mysql_errno().": ".mysql_error());
		@mysql_select_db($data, $connect) or die(mysql_errno().": ".mysql_error());
		$this->handle = $connect;
		return $connect;
	}
 
	public function put($str){
		return new Text($str);
	}
 
	public function last(){
		return @mysql_insert_id($this->handle);
	}
 
	public function close(){
		return @mysql_close($this->handle);
	}
}
 
class Result extends MySql{
	public function Result($result){
		$this->query = $result;
	}
 
	public function fetch(){
		return @mysql_fetch_array($this->query);
	}
 
	public function is(){
		return ($this->query?true:false);
	}
 
	public function cell($num=0){
		$row = @mysql_fetch_row($this->query);
		return $row[$num];
	}
 
	public function num(){
		return @mysql_num_rows($this->query);
	}
 
	public function finish(){
		return $this->query;
	}
}
 
class Text extends MySql{
	public function Text($text){
		$this->text = $text;
	}
 
	public function hash(){
		return sha1($this->text);
	}
 
	public function protect(){
		if(get_magic_quotes_runtime()){
			$this->text = htmlspecialchars(stripslashes($this->text));
		}
 
		return @mysql_real_escape_string($this->text);
	}
}
?>