拼抢 <tr> 基于简单HTML Dom的内部文本 <th> ，但是 <th> 没有属性

Question

I have a HTML which look like this, and I am trying to use simple HTML DOM to grab the Name value and Nickname value.

<tr>.....</tr>
<tr>.....</tr>
<tr>
<th>Name</th>
<td>John</td>
</tr>
<tr>
<th><span>Nickname</span></th>
<td>Johny</td>
</tr>
<tr>.....</tr>
<tr>.....</tr>

I am having difficulties as the th and td does not have id or classes

so i tried using innertext value with the following php code

require_once('lib/simple_html_dom.php');
$url='http://123.com';
$html = file_get_html($url);

foreach ( $html->find ( 'tr th' ) as $element ) {

if ($element->innertext = 'Name'){

    $element = $element->parent;

    $tinfo = $element->find ( 'td', 0 );

    $info = $tinfo->plaintext;

    echo $info;}
}

$html = file_get_html($url);
foreach ( $html->find ( 'tr th span' ) as $element ) {

if ($element->innertext = 'Nickname'){

    $element = $element->parent;

    $tinfo = $element->find ( 'td', 0 );

    $info = $tinfo->plaintext;

  echo $info;}
}

I could not seems to get the above code to work any advice on this? How do i accomplish this?

Answer 1

After removing some conflicting scripts, My new code, as advised by Ghost, now works for scraping name and nickname value

<?php
$name = $nickname ='';
foreach($html->find('tr') as $tr) { // each row
    foreach($tr->childNodes() as $tdh) { // each cell of that row
        if($tdh->tag == 'th' && $tdh->innertext == 'Name') {
            $name = $tdh->next_sibling()->innertext;
        }
    }
}

echo $name;
foreach($html->find('tr th') as $tr) { // each row
    foreach($tr->childNodes() as $tdh) { // each cell of that row
        if($tdh->tag == 'span' && $tdh->innertext == 'Nickname') {
            $nickname = $tdh->parent->next_sibling()->innertext;
        }
    }
}

echo $nickname;
?>

Credit to Ghost for the answer.