Question

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How to parse and process HTML with PHP?

I’m trying to scrape a page with PHP using file_get_contents().
This page has some JSON wrapped in a bit of HTML. I’d like to strip out this HTML to be able to use json_decode() on the scraped string so I can deal with the JSON separately.
Is there any clean way to do that? A quick search didn’t really lead to anything.
Thanks

Answer 1

parsing/stripping HTML content is always a tricky one because (common?) solutions via regex might crash if the HTML markup is malformed and are painful slow btw. I would suggest using this little HTML DOM parser class:

http://simplehtmldom.sourceforge.net/

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edited & added from subcomment:

Okay this is a bad one because the inline javascript is not properly wrapped with CDATA-Tags. Otherwise something like this might work:

$html = new simple_html_dom();
$html->load_file('your-external-file');

foreach($html->find("script") as $obj) {
    if(isset($obj->innertext) && strpos($obj->innertext, 'window._jscalls'))
        echo $obj->innertext;
}