將下面代碼寫入主題文件夾下的functions.php文件即可
方法一:過濾內容爲全英文和含有日文的垃圾評論
/* 阻止垃圾評論 */ function refused_spam_comments( $comment_data ) { $pattern = '/[一-龥]/u'; if(!preg_match($pattern,$comment_data['comment_content'])) { wp_die('評編輯論必須含中文!'); } return( $comment_data ); } add_filter('preprocess_comment','refused_spam_comments');
方法二:反垃圾評論代碼
/* 垃圾評論攔截 */ class anti_spam { function anti_spam() { if ( !current_user_can('level_0') ) { add_action('template_redirect', array($this, 'w_tb'), 1); add_action('init', array($this, 'gate'), 1); add_action('preprocess_comment', array($this, 'sink'), 1); } } function w_tb() { if ( is_singular() ) { ob_start(create_function('$input','return preg_replace("#textarea(.*?)name=(["'])comment(["'])(.+)/textarea>#", "textarea$1name=$2w$3$4/textarea>",$input);') ); } } function gate() { if ( !emptyempty($_POST['w']) && emptyempty($_POST['comment']) ) { $_POST['comment'] = $_POST['w']; } else { $request = $_SERVER['REQUEST_URI']; $referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '隱瞞'; $IP = isset($_SERVER["HTTP_X_FORWARDED_FOR"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] . ' (透過代理)' : $_SERVER["REMOTE_ADDR"]; $way = isset($_POST['w']) ? '手動操作' : '未經評論表格'; $spamcom = isset($_POST['comment']) ? $_POST['comment'] : null; $_POST['spam_confirmed'] = "請求: ". $request. "n來路: ". $referer. "nIP: ". $IP. "n方式: ". $way. "n內容: ". $spamcom. "n -- 記錄成功 --"; } } function sink( $comment ) { if ( !emptyempty($_POST['spam_confirmed']) ) { if ( in_array( $comment['comment_type'], array('pingback', 'trackback') ) ) return$comment; //方法一: 直接擋掉, 將 die(); 前面兩斜線刪除即可. die(); //方法二: 標記爲 spam, 留在資料庫檢查是否誤判. //add_filter('pre_comment_approved', create_function('', 'return "spam";')); //$comment['comment_content'] = "[ 判斷這是 Spam! ]n". $_POST['spam_confirmed']; } return$comment; } } $anti_spam = new anti_spam();
代碼後面提供了兩種對付垃圾評論的辦法,一種是直接阻止評論,另一種是將垃圾評論放在Wordpress評論的待審覈隊列中,默認的是第一種,如果你想使用第二種,請給die();加上//,然後去掉“方法二”下面代碼的//符號。
方法三:過濾內容包含任意日文字符的垃圾評論
/* 阻止日文垃圾評論 */ function BYMT_comment_jp_post( $incoming_comment ) { $jpattern ='/[ぁ-ん]+|[ァ-ヴ]+/u'; if(preg_match($jpattern, $incoming_comment['comment_content'])){ wp_die( "禁止有日文字符的評論 You should type some Chinese word" ); } return( $incoming_comment ); } add_filter('preprocess_comment', 'BYMT_comment_jp_post');