Get a tag href value with specific id

Question

This is the code i have, and i want to get the href value for that id

function file_get_contents_curl($url){
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_HEADER, 0);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
            $data = curl_exec($ch);
            curl_close($ch);
            return $data;
}

    $str = 'someLink';
    $html = file_get_contents_curl($str);
        $doc = new DOMDocument();
        libxml_use_internal_errors(true);
        $doc->loadHTML('<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />' . $html);
        libxml_clear_errors();

        $nodes = $doc->getElementsByTagName('title');
        $hrefValue = $doc->getElementById('linker');

someLink html example:

<html>

<head>
<title></title>
</head>

<body>

<div>one</div>

<div>two</div>

<div>
<a href="link" id="linker" />LINK HERE</a>
</div>

</body>

</html>

I want to get the href value for the id="linker".I try with getElementById() but it dosent return anything

score 2 · Accepted Answer · 2012-07-10T07:38:34.433

2

$nodes = $doc->getElementsByTagName('title')->item(0)->nodeValue;
        $hrefValue = $doc->getElementById('linker')->getAttribute("href");

edited Jul 10 '12 at 07:38

answered Jul 10 '12 at 07:29

if i change it to $hrefValue = $doc->getElementById('linker')->nodeValue; it return LINK HERE i dont to get the text for the link – Marian Petrov Jul 10 '12 at 07:35

score -1 · Answer 2 · answered Jul 10 '12 at 07:39

-1

preg_match('/href=[\'"]?(.+?)[\'"]?.*?id=[\'"]?linker[\'"]?/si', $subject, $matches);
var_dump($matches);

answered Jul 10 '12 at 07:39

pamil

980
2
10
20

"[Regex-based HTML parsers are the cancer that is killing StackOverflow](http://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags)" – feeela Jul 10 '12 at 08:03

Get a tag href value with specific id

2 Answers2