<<小牆>> Anti-Spam v1.8 

/* -----------------------------------------------
<<小牆>> Anti-Spam v1.8 by Willin Kan.
*/
//建立
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($this, 'sink'), 1);
} }
//設欄位
function w_tb() {
if ( is_singular() ) {
ob_start(create_function('$input','return preg_replace("#textarea(.*?)name=([\"\'])comment([\"\'])(.+)/textarea>#",
"textarea$1name=$2w$3$4/textarea><textarea name=\"comment\" cols=\"100%\" rows=\"4\" style=\"display:none\"></textarea>",$input);') );
} }
//檢查
function gate() {
( !empty($_POST['w']) && empty($_POST['comment']) ) ?
$_POST['comment'] = $_POST['w'] : $_POST['spam_confirmed'] = 1;
}
//處理
function sink( $comment ) {
if ( !empty($_POST['spam_confirmed']) ) {
//方法一:直接擋掉, 將 die(); 前面兩斜線刪除即可.
//die();
//方法二:標記為spam, 留在資料庫檢查是否誤判.
add_filter('pre_comment_approved', create_function('','return "spam";'));
$is_ping = in_array( $comment['comment_type'], array('pingback', 'trackback') );
$comment['comment_content'] = ( $is_ping ) ?
"◎ 這是 Pingback/Trackback, 小牆懷疑這可能是 Spam!\n" . $comment['comment_content'] :
"[ 小牆判斷這是Spam! ]\n" . $comment['comment_content'];
}
return $comment;
} }
$anti_spam = new anti_spam();
// -- END ----------------------------------------

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