Simple dom document iteration

Question

I have an HTML as so:

 <html>
   <body>
      <div class="somethingunneccessary"></div>
      <div class="container">
         <div>
            <p>text1</p>
            <p>text2</p>
            <p>text3</p>
         </div>
         <div>
            <p>text4/p>
            <p>text5</p>
            <p>text6</p>
         </div>
         <div>
            <p>text7</p>
            <p>text8</p>
            <p>text9</p>
         </div>
         <div>
            <p>text10</p>
            <p>text11</p>
            <p>text12</p>
         </div>
         <div>
            <p>text13</p>
            <p>text14</p>
            <p>text15</p>
         </div>
      </div>
   </body>
 </html>

What I'm trying to accomplish is the following:

1./ Loop over the div elements within the div having a class container.

2./ During the iteration I want to grab the text from the 3rd p tag.

The looping part is essential instead of just slicing out the p tags by themselves

I've got some code done but it doesn't do looping:

$doc=new DOMDocument(); 
$doc->loadHTML($htmlsource);
$xpath = new DOMXpath($doc);
$commentxpath = $xpath->query("/html/body/div[2]/div[5]/p[3]");
$commentdata = $commentxpath->item(0)->nodeValue;

How do I loop through each inner div element and extract the 3rd p tag.

Like I said, the looping is essential.

Have you tried using whatever mechanism your language uses for iterating over objects? — Ignacio Vazquez-Abrams, Apr 27 '16 at 19:21
@IgnacioVazquez-Abrams That's what I need help with. Is adjusting the script to iterate over the container div inner div elements — slicks1, Apr 27 '16 at 19:22
So then what you're saying is that you have no idea how your language iterates? — Ignacio Vazquez-Abrams, Apr 27 '16 at 19:23
@splash58 yes thats the goal to iterate over the div elements within the div having a class container and extract the 3rd p tag text — slicks1, Apr 27 '16 at 19:40

score 0 · Answer 1 · edited May 23 '17 at 10:28

0

You may have to query over attributes: php xpath get attribute value

 $xpath->query("/html/body/div[@class='container']");

edited May 23 '17 at 10:28

Community

1
1

answered Apr 27 '16 at 19:31

Steffomio

356
3
6

score 0 · Answer 2 · answered Apr 27 '16 at 19:34

0

Just try

/html/body/div/div//p

That should return only the p elements XD

answered Apr 27 '16 at 19:34

victor sosa

899
13
27

score 0 · Accepted Answer · answered Apr 27 '16 at 19:52

0

During the iteration I want to grab the text from the 3rd p tag

Try:

"//div[@class='container']/div/p[3]"

This should return all third p in all div inside of div with class container.

answered Apr 27 '16 at 19:52

hr_117

9,589
1
18
23

This works great. I have a further question. What If I wanted the values from the other p elements within each div. How can I change this query to get all the p tags from a div – slicks1 Apr 27 '16 at 19:56
Can you make a concrete example iterating over the div elements and storing each p element into a multidimensional array? – slicks1 Apr 27 '16 at 19:59
I do not now wat you are asking for. Is the question how to do a loop in php over the returnd noteset? – hr_117 Apr 27 '16 at 20:18
Yes please that is what I am looking for. – slicks1 Apr 27 '16 at 20:33
`foreach($commentxpath as $node) { $p[] = $node->nodeValue; }`? – hr_117 Apr 27 '16 at 21:03
Thanks this is great – slicks1 Apr 27 '16 at 21:03

Simple dom document iteration

3 Answers3