php
function unhtml($content){
$content=str_replace("&","&",$content);
$content=str_replace("<","<", $content);
$content=str_replace(">",">",$content);
$content=str_replace(" "," ",$content);
$content=str_replace(chr(13) ,"
",$content);
$content=str_replace("","\",$content);
$content=str_replace(chr(34),""",$content);
<code> return $content; }</code>
?> ;
String replacement, filter html code
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
