1

So, I want to scrape a class name from a website. Here's the source of html code:

<td title="Complexity" class="cvss6" itemscope itemtype="http://schema.org/Rating">

I want to scrape the "cvss6" only, tried with this:

$nilai1 = explode('<td title="Complexity" class="', $kodeHTML);
$nilai_show2 = explode('" itemscope="', $nilai1[1]);echo "
            
<tr><td width='85%' align='left' bgcolor='#F5F5F5'>".$judul_show[0]."</td>";
                    
if($nilai_show2[0] == 'cvss6') {
echo "<td width='15%' align='center' bgcolor='#FF0000'>High</td></tr>";
                        
                    }

but it didn't work, it just won't show anything on my site. I managed to scrape it's html plain text. But how do you scrape a text that is inside the class name? Thanks

DisappointedByUnaccountableMod
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lountee ngemut
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1 Answers1

1

To answer your question you could use regular expression to find what you need, with code below we try to find term that expect class="something" with multiline flag (https://www.php.net/manual/fr/function.preg-match-all.php) :

preg_match_all(
    '/class="(.+?)"/m',
    '<b>exemple : </b><div class="test test1 test2 test3" align=left>This is a test</div class="t1 t2">',
    $out
);

var_dump($out[1]);

/* output
  array(2) {
    [0]=>
    string(22) "test test1 test2 test3"
    [1]=>
    string(5) "t1 t2"
  }
*/

Also i advice you to use an library to crawl web page with php.

https://symfony.com/doc/current/components/dom_crawler.html

Lounis
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  • Always worth a read - https://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags/1732454#1732454 – Nigel Ren Feb 15 '20 at 06:54
  • I agree with @Nigel Ren, i answer the question as simple as i can, this is why i adviced a dom crawler. – Lounis Feb 15 '20 at 07:01