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How to get elements by layer in php simple_html_dom?

WBOY
Release： 2016-09-21 13:56:42
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I only want to get the TR of the first level table, that is, COUNT equals 1. How should I write it correctly? 

$html = new simple_html_dom();

$html->load('
1111122222
3333
'); 

$trs = $html->find('table',0)->find('tr'); //我想得到的是该table的直属tr，亲儿子。
$count = count($trs);

echo $count;
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