Cơ bản việc dùng DOM xử lý XML,HTML trong PHP

$dom = new domDocument(‘1.0’, ‘utf-8’);
$content = file_get_contents(‘weather.htm’);
$content = mb_convert_encoding($content, ‘HTML-ENTITIES’, “UTF-8”);
@$dom->loadHTML($content);
/*$xpath = new DOMXPath($dom);
$ele = $xpath->query(‘//table’);
echo $ele->item(0)->nodeName;*/
$dom->preserveWhiteSpace = false;

$dom->getElementsByTagName(‘table’);
$dom->getElementById(‘player’);

$ele->parentNode
$ele->childNodes->item(0)
$ele->getAttribute(‘src’);
$ele->nodeValue;
…