comment_author_IP() │ WP 0.71

Displays the IP address of the author of the current comment.

No Hooks.

Return

null. Nothing (null).

Usage

comment_author_IP( $comment_id );
$comment_id(int|WP_Comment)
WP_Comment or the ID of the comment for which to print the author's IP address.
Default: current comment

Changelog

Since 0.71 Introduced.
Since 4.4.0 Added the ability for $comment_id to also accept a WP_Comment object.

comment_author_IP() code WP 6.5.2

wp-includes/comment-template.php 
function comment_author_IP( $comment_id = 0 ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
	echo esc_html( get_comment_author_IP( $comment_id ) );
}