lang/ko-kr/,/langfunctionlib.php

<?php 
function get_plural($word)
{
	if ($word[strlen($word) - 1] === 's') {
		$ret = "{$word}";
	} else if ($word[strlen($word) - 1] === 'y') {
		$ret = substr($word, 0, strlen($word) - 1) . "ies";
	} else {
		$ret = "{$word}";
	}
	return ucfirst($ret);
}