Retrieves hidden input HTML for replying to comments.

Parameters

$postint|WP_Post|nulloptional

The post the comment is being displayed for.
Defaults to the current global post.

Default:null

Return

Source

function get_comment_id_fields( $post = null ) {
	$post = get_post( $post );
	if ( ! $post ) {
		return '';
	}

	$post_id     = $post->ID;
	$reply_to_id = _get_comment_reply_id( $post_id );

	$comment_id_fields  = "<input type='hidden' name='comment_post_ID' value='$post_id' id='comment_post_ID' />\n";
	$comment_id_fields .= "<input type='hidden' name='comment_parent' id='comment_parent' value='$reply_to_id' />\n";

	/**
	 * Filters the returned comment ID fields.
	 *
	 * @since 3.0.0
	 *
	 * @param string $comment_id_fields The HTML-formatted hidden ID field comment elements.
	 * @param int    $post_id           The post ID.
	 * @param int    $reply_to_id       The ID of the comment being replied to.
	 */
	return apply_filters( 'comment_id_fields', $comment_id_fields, $post_id, $reply_to_id );
}

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Hooks

apply_filters( ‘comment_id_fields’, string $comment_id_fields, int $post_id, int $reply_to_id )

Filters the returned comment ID fields.

Changelog