完美过滤script标签, PHP过滤HTML标签

心已赠人 2022-12-26 09:26 220阅读 0赞

> // .\* 不能匹配换行  
> // \[\\s\\S\]\* 支持匹配换行  
> // ? 表示匹配最近的一个结束标签</script>  
> // i 不区分大小写  
> $html = preg\_replace('/<script\[\\s\\S\]\*?<\\/script>/i', '', $html);

[https://blog.csdn.net/gocuber/article/details/82700104][https_blog.csdn.net_gocuber_article_details_82700104]

PHP过滤HTML标签

[https://blog.csdn.net/yh\_bxhl/article/details/41929055][https_blog.csdn.net_yh_bxhl_article_details_41929055]

<?php
          $str=$n['content'];
     
               $str=str_replace(' ',"",$str);
               $str=str_replace('$Next$',"",$str);
       $str=str_replace('<p>',"",$str);
    $str=str_replace('</p>',"",$str);
    $str = preg_replace('~<([abcdeghfontpzyu]+?)\s+?.h+?.*?>~i','<$1>',$str);  
          $tag='b';
      $p="/(<(?:\/".$tag."|".$tag.")[^>]*>)/i"; 
      
          $return_str = str_replace($p,"",$str);  
    echo substr($return_str,0,120);
       ?>

php 过滤字符串，过滤特殊符号，script脚本

[https://blog.csdn.net/qq\_22823581/article/details/79070907][https_blog.csdn.net_qq_22823581_article_details_79070907]

function guolv($str){
        $str = preg_replace( "@<script(.*?)</script>@is", "", $str );
        $str = preg_replace( "@<iframe(.*?)</iframe>@is", "", $str );
        $str = preg_replace( "@<style(.*?)</style>@is", "", $str );
        $str = preg_replace( "@<(.*?)>@is", "", $str );
        //# 代表换行
        $str =str_replace("#","<br>",$str);
        return $str;
    }

[https_blog.csdn.net_gocuber_article_details_82700104]: https://blog.csdn.net/gocuber/article/details/82700104
[https_blog.csdn.net_yh_bxhl_article_details_41929055]: https://blog.csdn.net/yh_bxhl/article/details/41929055
[https_blog.csdn.net_qq_22823581_article_details_79070907]: https://blog.csdn.net/qq_22823581/article/details/79070907