PHP判断用户名中是否存在敏感词_u010785091的博客_php 检测敏感词

        $username = I('username');
        $names=M('mgc')->field('mgc')->select();
       //取数据库中存在的敏感词库
      $hei = array_column($names, 'mgc');

     $blacklist="/".implode("|",$hei)."/i";
        if(preg_match($blacklist, $username, $matches)){
            $this->apiAjaxReturn("", false, '用户名中包含敏感词');

        }        $username = I('username');
        $nam