使用php从html页面中提取href

Question

I trying to extract the news headlines and the link (href) of each headline using the code bellow, but the link extraction is not working. It's only getting the headline. Please help me find out what's wrong with the code.

Link to page from which I want to get the headline and link from: http://web.tmxmoney.com/news.php?qm_symbol=BCM

<?php
$data = file_get_contents('http://web.tmxmoney.com/news.php?qm_symbol=BCM');
$dom = new domDocument;
@$dom->loadHTML($data);
$dom->preserveWhiteSpace = true;
$xpath = new DOMXPath($dom);
$rows = $xpath->query('//div');

foreach ($rows as $row) {

    $cols = $row->getElementsByTagName('span');

    $newstitle = $cols->item(0)->nodeValue;

    $link = $cols->item(0)->nodeType === HTML_ELEMENT_NODE ? $cols->item(0)->getElementsByTagName('a')->item(0)->getAttribute('href') : '';

echo $newstitle . '<br>';
echo $link . '<br><br>';
}
?>

Thanks in advance for your help!

Answer 1

Try to do this:

<?php
  $data= file_get_contents('http://web.tmxmoney.com/news.php?qm_symbol=BCM');

  $dom = new DOMDocument();
  @$dom->loadHTML($data);
  $xpath = new DOMXPath($dom);
  $hrefs= $xpath->query('/html/body//a');

  for($i = 0; $i < $hrefs->length; $i++){
   $href = $hrefs->item($i);
   $url = $href->getAttribute('href');
   $url = filter_var($url, FILTER_SANITIZE_URL);

   if(!filter_var($url, FILTER_VALIDATE_URL) === false){
      echo '<a href="'.$url.'">'.$url.'</a><br />';
   }
  }
?>