Get Comment Author Country from IP Address in WordPress

get_comment_author_country.php

<?php
/* Place the following code in the functions.php file of your theme! */

/*
 * 
 * Get Comment Author Country from IP Address | START
 * Author: https://github.com/TheBinitGhimire/
 * Source: https://gist.github.com/TheBinitGhimire/8dac2b929e44343766414f601513f0bb
 *
 * */
function get_comment_author_country($userIP){
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, "https://ipapi.co/".$userIP."/country_name");
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$userData = curl_exec($ch);
	curl_close($ch);
	return esc_html($userData);
}
add_action('wp_head', 'get_comment_author_country', 10, 1);
/* 
 * 
 * Get Comment Author Country from IP Address | END
 * 
 * */

?>

usage.php

<?php 
/* Place the following line of code in the file in your theme where you are willing to display the comment author's country! */
echo esc_html(get_comment_author_country($comment->comment_author_IP));
?>