下载 HTMLPurifier github地址:https://github.com/ezyang/htmlpurifier 并与public同层级
function removeXSS($data) { require_once './HtmlPurifier/HTMLPurifier.auto.php'; // require_once '../../../HTMLpurifier/HTMLPurifier.auto.php'; $_clean_xss_config = \HTMLPurifier_Config::createDefault(); $_clean_xss_config->set('Core.Encoding', 'UTF-8'); // 设置保留的标签 $_clean_xss_config->set('HTML.Allowed', 'div,b,strong,i,em,a[href|title],ul,ol,li,p[style],br,span[style],img[width|height|alt|src]'); $_clean_xss_config->set('CSS.AllowedProperties', 'font,font-size,font-weight,font-style,font-family,text-decoration,padding-left,color,background-color,text-align'); $_clean_xss_config->set('HTML.TargetBlank', TRUE); $_clean_xss_obj = new \HTMLPurifier($_clean_xss_config); // 执行过滤 return $_clean_xss_obj->purify($data); }