Is it possible to have a custom function to truncate the contents of a defined DIV on a blog post page to use as the summary on the blog index page. So rather than using $the_content or $the_excerpt - Is it possible to create $the_customContent and have some PHP which checks the blog post page and collects the content of the div with class "ThisIsTheContentToUse" - reason for this is that my blog posts have content on the page above the content I want to be included as the blog summary on the blog index page - so either want to tell WP to ignore those blocks of content, or, probably easier - just tell WP where the content to truncate is - e.g. in the "ThisIsTheContentToUse" div... possible? If so... how? Can't seem to find anything online that defines this custom functionality - surely I can't be the first person to want to do this...?

Would apply_filters make this possible? https://developer.wordpress.org/reference/hooks/the_content/

So, The blog post is structured as:

<div class="headerArea">
<h2>The title is here</h2>
<div class="bullets">
<li>Bullet 1</li>
<li>Bullet 2</li>
<li>Bullet 3</li>
<div class="ThisIsTheContentToUse">
<p>The content starts here</p>

So, currently with the basic get_the_content - the result is:

"The title is here Bullet 1 Bullet 2 Bullet 3 The content starts here"

But what I want is just the content of the "ThisIsTheContentToUse" div - so it would be:

"The content starts here"

  • Need to clarify your question. Do you want to show a custom message before content? example - "This is custom message" then show the_content(); Commented Feb 12, 2022 at 12:52
  • @MonzurAlam - no, no need for a custom message - I just want to define what text on the blog post page that WP should display in the the_content field when it reads the page and displays the short summary on the blog index page.
    – Jdubbs
    Commented Feb 12, 2022 at 14:13

1 Answer 1


I think the easiest way is using the Excerpt field in the editor or add a custom field to enter your summary and then filter https://developer.wordpress.org/reference/hooks/the_excerpt/ to return the right text.

Because recognizing automatically the right div will force to parse HTML, and it's more complicated.

  • I appreciate thats the easy fix - but its not the one I want to go with - I dont want the CMS editor to have to enter content twice.
    – Jdubbs
    Commented Feb 12, 2022 at 21:52

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