Pull commentdata for pre_comment_on_post from comment_post_ID

Question

A method in a plugin uses preprocess_comment but that commentdata array does not have comment_approved because the comment hasn't been recorded. I'm trying to rewrite the method using pre_comment_on_post but noticing that the information returned is the comment_post_ID.

How can the comment_post_ID be used to grab the array of the commentdata only for the comment which is going to be written to WP?

I've tried get_comments but it pulls everything but the comment about to be written. Here is a snippet of code which shows the var_dump is the comment_post_ID.

public function hooks() {
    add_action( 'pre_comment_on_post', array( $this, 'write' ), 10, 1 );
}

public function write( $comment_post_ID ) {
    var_dump($comment_post_ID);
}

Maybe there is a better way to grab the comment and post it externally then have it written to WordPress.

Answer 1

You can use the preprocess_comment inside wp_new_comment() filter to access/modify the data of the comment that is going to be written.

```

/**
 * Filters a comment's data before it is sanitized and inserted into the database.
 *
 * @since 1.5.0
 *
 * @param array $commentdata Comment data.
 */
$commentdata = apply_filters( 'preprocess_comment', $commentdata );

just make sure you hook after the plugin in question (using a greater priority) in order your filter to come afterwards whatever the plugin does to $commentdata or before it (using a lower filter priority) if you need to process $commentdata before it's passed to the plugin. See add_filter's docs if $priority argument is new to you.