WordPress 댓글이 영어로 콘텐츠를 지정하는 것을 금지하는 방법

<?php 
function scp_comment_post( $incoming_comment ) { 
$pattern = &#39;/[一-?]/u&#39;; 
// 禁止全英文评论 
if(!preg_match($pattern, $incoming_comment[&#39;comment_content&#39;])) { 
wp_die( "You should type some Chinese word (like "你好") in your comment to pass the spam-check, thanks for your patience! 您的评论中必须包含汉字!" ); 
} 
return( $incoming_comment ); 
} 
?>

function lianyue_comment_post( $incoming_comment ) { 
$http = &#39;/[href="|rel="nofollow"|http://|</a>]/u&#39;; 
if(preg_match($http, $incoming_comment[&#39;comment_content&#39;])) { 
wp_die( "万恶的发贴机!" ); 
} 
return( $incoming_comment ); 
} 
add_filter(&#39;preprocess_comment&#39;, &#39;lianyue_comment_post&#39;);