WordPress自动拒绝垃圾评论 方法实现

站长使用WordPress进行网站建设经常受到垃圾评论的滋扰，下面的代码可能对你有所帮助。

将以下代码粘贴到你的主题functions.php模板中。

任何包含在$ bad_comment_content数组内的字符，将会被自动拒绝留言。

function in_comment_post_like($string, $array) {   
    foreach($array as $ref) { if(strstr($string, $ref)) { return true; } }   
    return false;  
}  
function drop_bad_comments() {  
    if (!empty($_POST[\'comment\'])) {  
        $post_comment_content = $_POST[\'comment\'];  
        $lower_case_comment = strtolower($_POST[\'comment\']);  
        $bad_comment_content = array(  
            \'viagra\',   
            \'hydrocodone\',  
            \'hair loss\',  
            \'xanax\',  
            \'tramadol\',  
            \'russian girls\',  
            \'russian brides\',  
            \'lorazepam\',  
            \'adderall\',  
            \'dexadrine\',  
            \'no prescription\',  
            \'oxycontin\',  
            \'without a prescription\',  
            \'sex pics\',  
            \'family incest\',  
            \'online casinos\',  
            \'online dating\',  
            \'cialis\',  
            \'best forex\',  
            \'amoxicillin\'  
        );  
        if (in_comment_post_like($lower_case_comment, $bad_comment_content)) {  
            $comment_box_text = wordwrap(trim($post_comment_content), 80, \"n  \", true);  
            $txtdrop = fopen(\'/var/log/httpd/wp_post-logger/nullamatix.com-text-area_dropped.txt\', \'a\');  
            fwrite($txtdrop, \"  --------------n  [COMMENT] = \" . $post_comment_content . \"n  --------------n\");  
            fwrite($txtdrop, \"  [SOURCE_IP] = \" . $_SERVER[\'REMOTE_ADDR\'] . \" @ \" . date(\"F j, Y, g:i a\") . \"n\");  
            fwrite($txtdrop, \"  [USERAGENT] = \" . $_SERVER[\'HTTP_USER_AGENT\'] . \"n\");  
            fwrite($txtdrop, \"  [REFERER  ] = \" . $_SERVER[\'HTTP_REFERER\'] . \"n\");  
            fwrite($txtdrop, \"  [FILE_NAME] = \" . $_SERVER[\'SCRIPT_NAME\'] . \" - [REQ_URI] = \" . $_SERVER[\'REQUEST_URI\'] . \"n\");  
            fwrite($txtdrop, \'--------------**********------------------\'.\"n\");  
            header(\"HTTP/1.1 406 Not Acceptable\");  
            header(\"Status: 406 Not Acceptable\");  
            header(\"Connection: Close\");  
            wp_die( __(\'bang bang.\') );  
        }  
    }  
}  
add_action(\'init\', \'drop_bad_comments\');  

!

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