php simple html dom parse a tag except in some div

Question

some test get a tag from http://www.msnbc.msn.com/ use simple html dom.

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://www.msnbc.msn.com/');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 GTB5');
$htmls = curl_exec($ch);
curl_close($ch);
$html = str_get_html($htmls);
foreach($html->find('a') as $element){ 
    echo $element.'<br />';
}

this code could get all the hyper links, but how to ignore all the links in div#mainNav? I need get all the links out of div#mainNav in http://www.msnbc.msn.com/, thanks.

Ayush · Accepted Answer · 2012-06-01 19:44:33Z

2

Check the parent, like this:

foreach($html->find('a') as $element){ 
    if ($element->parent()->id == 'mainNav') {
        //do nothing
    } else {
        echo $element.'<br />';
    }
}

answered Jun 1, 2012 at 19:44

Ayush

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7 Comments

Ayush Over a year ago

Do you want the links in mainNav or do you want the links outside of mainNav ?

cj333 Over a year ago

I want outside of mainNav, but I still can get all the page links in my test.

Ayush Over a year ago

Are the links direct descendents of mainNav? parent() gets the immediate parent. I recommend you do a var_dump() of $element->parent() and see what it shows you.

cj333 Over a year ago

I know why not, because $element->parent() == 'li',$element->parent()->parent()== 'ul', $element->parent()->parent()->parent()== '#mainNav', so any other better suggestion? thanks.

Ayush Over a year ago

I think that might be your best choice. Change the if condition to call parent() three times if ($element->parent()->parent()->parent()->id == 'mainNav') {

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