duplicate_comment_id │ filter-hook │ WP 4.4.0

Filters the ID, if any, of the duplicate comment found when creating a new comment.

Return an empty value from this filter to allow what WP considers a duplicate comment.

Usage

add_filter( 'duplicate_comment_id', 'wp_kama_duplicate_comment_id_filter', 10, 2 );

/**
 * Function for `duplicate_comment_id` filter-hook.
 * 
 * @param int   $dupe_id     ID of the comment identified as a duplicate.
 * @param array $commentdata Data for the comment being created.
 *
 * @return int
 */
function wp_kama_duplicate_comment_id_filter( $dupe_id, $commentdata ){

	// filter...
	return $dupe_id;
}

$dupe_id(int)

ID of the comment identified as a duplicate.

$commentdata(array)

Data for the comment being created.

Changelog

Where the hook is called

$dupe_id = apply_filters( 'duplicate_comment_id', $dupe_id, $commentdata );

Where the hook is used in WordPress