How to edit WordPress comment before the page is rendered?

user_8142516 0
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In WordPress, you can do the following to edit the content of an article before the page is loaded:

add_filter('the_content', 'edit_content');
function edit_content($content) {
    // edit $content
    return $content;
}

How can I achieve the same thing but for comments?

wordpress php
1 Answers

You add a filter to the comment_text hook, similar to how you do it with the_content hook. This hook lets you change the comment text that is displayed using comment_text() in your template.

For example:

add_filter( 'comment_text', 'edit_comment_text', 99);
function edit_comment_text( $comment_text, $commentObject, $args ) {
    // edit the text....
    return $comment_text;
}

Note that you might need to set the priority in add_filter to a high number so that it runs after WP's own filters first - I used 99 above.

You can see in the WP Developer Code Reference for comment_text that the 3 parameters the filter gets are:

  • $comment_text (string) - Text of the current comment.
  • $commentObject (WP_Comment|null) - The comment object. Null if not found.
  • $args (array) - An array of arguments.
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