Php html tag Acquisition Solution

PHP obtains HTML tags & lt; html & gt; & lt; body & gt; & lt; tr & nbsp; & gt; & lt; td & nbsp; & gt; 53 & lt; td & gt; & lt; td & nbsp; class PHP get HTML tags

53
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4
6
7
8
9
10


11
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13
14
15
16
17
18
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20


21
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27
28
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30

How to obtain1 ~ 30 What about these values? It is best to use simple_html_dom to obtain it? Let me know! If you do not use this class, you can also!
------ Solution --------------------

 $s=<<
 


53
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11
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21
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txt;
preg_match_all("#>(\d+)()?#isU",$s,$m);
print_r($m[1]);

------ Solution --------------------

 
$html = <<
 


53
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6
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10