public function to_bin()
   {
         $out = "";
      for ($i=0; $i<$this->dataLength($this->data); $i++)
         $out = sprintf("%08b",$this->data[$i]).$out;
      return $out;      
   }
public function to_bin()
   {
         $out = "";
      for ($i=0; $i<$this->dataLength($this->data); $i++)
         $out = sprintf("%08b",$this->data[$i]).$out;
      return $out;      
   }
public function to_bin ( ) { $ out = "" ; for ( $ i = 0 ; $ i < $ this -> dataLength ( $ this -> data ) ; $ i ++ ) $ out = sprintf ( "%08b" , $ this -> data [ $ i ] ) . $ out ; return $ out ; }
return value as binary string
@return string
return value as binary string