Don't pay attention to CSS that is outside of the div

Currently, I am attempting to populate a div with templates in order to preview them. These templates are sourced from a database and configured using php. My issue lies in the fact that certain entries consist of entire websites (complete with a head and CSS).

Inquiry: Is there a way to disregard the CSS information within the div so that it does not affect elements outside of it? The content should not necessarily be contained within a dedicated div.

For instance:

page...
<div>
   $template
</div>
... page

Within the template, there exist complete website structures as HTML, causing the CSS details of these templates to interfere with the CSS styling of the main pages.

I hope this explanation clarifies the situation.

htmlcss

Answer №1

Once, I encountered a situation where I needed to extract the content inside the body tags from a full HTML page stored in a variable. This solution might be applicable in your scenario as well.

Imagine we have a variable named $page_content containing the entire HTML markup, including the <head> section. To retrieve only the content within the <body> tags, we can use this approach:

<?php
    $page_content; //Contains the full page's content

    $split = explode("<body>", $page_content); //Split the content at the opening body tag
    $body_content = $split[1]; //Extract the content following the opening body tag
    $body_content = explode("</body>", $body_content)[0]; //Retrieve the content until the closing body tag

    echo $body_content;
?>

It's important to ensure that the well-formed <body> and </body> tags are present in the HTML for this method to work correctly.

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