Filters a comment’s data before it is sanitized and inserted into the database.

$commentdata array

Comment data.

The $commentdata array contains the following indices:

'comment_post_ID' - The post to which the comment will apply
'comment_author' - (may be empty)
'comment_author_email' - (may be empty)
'comment_author_url' - (may be empty)
'comment_content' - The text of the proposed comment
'comment_type' - 'pingback', 'trackback', or empty for regular comments
'user_ID' - (empty if not logged in)


File: wp-includes/comment.php. View all references

$commentdata = apply_filters( 'preprocess_comment', $commentdata );