
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=big5">
<title>物件</title>
</head>
<body>
<?
class Toy {
  function walk( ) {
    echo "I can walk!<br>";
  }

  function run( ) {
    echo "I can run!<br>";
  }
}

$my_toy = new Toy;
$my_toy->walk( );
$my_toy->run( );

echo "<br>";

class Toy2 extends Toy {
  function run( ) {
    echo "I can run very fast!<br>";
  }
  function fly( ) {
    echo "I can fly!<br>";
  }
}

$your_toy = new Toy2;
$your_toy->walk( );
$your_toy->run( );
$your_toy->fly( );
?>
</body>
</html>