search
Homephp教程php手册php 过滤html标签的函数代码

php 过滤html标签的函数代码

Jun 13, 2016 am 11:17 AM
htmlphpcodefunctionuseFour modelssupplyarticleLabeloffilter

php 过滤html标签的函数代码本文章提供四款利用php 过滤html标签的函数代码,方法一最简单的利用了php自带函数strip_tags来过滤所有的html标签,方法二利用了正则表达式来过滤html标签,方法三是清除HTML标签的用户自定义函数,根据ascii编码值来判断是否为字母再过滤。  

php教程 过滤html标签的函数代码
本文章提供四款利用php 过滤html标签的函数代码,方法一最简单的利用了php自带函数strip_tags来过滤所有的html标签,方法二利用了正则表达式来过滤html标签,方法三是清除html标签的用户自定义函数,根据ascii编码值来判断是否为字母再过滤。
*/
//最直接过滤html方法

strip_tags();

//方法二利用正则过滤
function _filter( $string ) {
  return str_replace(array("n","rn","r",'  '),array('
','
','
','  '),strip_tags($string,'

'));
}

 

//正则二

preg_replace('/(
){1,}/is','
', $str);


//正则三

function delhtml($str){   //清除html标签
$st=-1; //开始
$et=-1; //结束
$stmp=array();
$stmp[]=" ";
$len=strlen($str);
for($i=0;$i    $ss=substr($str,$i,1);
   if(ord($ss)==60){ //ord("     $st=$i;
   }
   if(ord($ss)==62){ //ord(">")==62
    $et=$i;
    if($st!=-1){
     $stmp[]=substr($str,$st,$et-$st+1);
    }
   }
}
$str=str_replace($stmp,"",$str);
return $str;
}
//

$str='


  www.bkjia.com />

';
    $reg = '/(|)|<.>/i';
    echo preg_replace($reg,'$1',$str);
*>


Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
Will R.E.P.O. Have Crossplay?
1 months agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment

VSCode Windows 64-bit Download

VSCode Windows 64-bit Download

A free and powerful IDE editor launched by Microsoft

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.