class StringBuilder
{
const LINE="
";
protected $list= array('');
public function __construct( $str=NULL)
{
array_push($this->list,$str);
}
public function Append($str)
{
array_push($this->list,$str);
return $this;
}
public function AppendLine($str)
{
array_push($this->list,$str.self::LINE);
return $this;
}
public function AppendFormat( $str,mixed $args)
{
array_push($this->list, sprintf($str,$args));
return $this;
}
public function ToString()
{
return implode("",$this->list);
}
public function __destruct()
{
unset($this->list);
}
}