function testEscapeURL()
{
$string1 = new SafeString("<>\"'");
$this->assertEquals($string1->toURL(), '%3C%3E%22%27');
}
function testEscapeURL()
{
$string1 = new SafeString("<>\"'");
$this->assertEquals($string1->toURL(), '%3C%3E%22%27');
}