public function test_selector_or()
{
$sel = new HTMLSelector('p,div');
$this->output($sel->toXPath() . "<br>\n");
$sel = new HTMLSelector('#bar_error input');
$this->output($sel->toXPath() . "<br>\n");
$sel = new HTMLSelector('div > div');
$this->output($sel->toXPath() . "<br>\n");
}
/**
* Find the first element in the DOM based on a CSS selector
* @param string $find A CSS selector
* @return HTMLNode A qualifying node
*/
public function find_one($find)
{
$expression = new HTMLSelector($find);
$array = $this->query($expression->toXPath());
return reset($array);
}
