RE: [PHP] Re: htmlspecialchars() or htmlentities without destroying tags?

[Timothy Hitchens \(HiTCHO\)]

Is that going to take care of Nested Tags??


Timothy Hitchens (HiTCHO)
Open Platform Consulting
e-mail: [EMAIL PROTECTED]

> -----Original Message-----
> From: Greg Beaver [mailto:[EMAIL PROTECTED]] 
> Sent: Wednesday, 8 January 2003 3:06 PM
> To: [EMAIL PROTECTED]
> Subject: [PHP] Re: htmlspecialchars() or htmlentities without 
> destroying tags?
> 
> 
> Hi Justin,
> 
> You have to specify the list of tags you want preserved in an 
> array, but this function from phpDocumentor will do it:
> 
> /**
>  * smart htmlentities, doesn't entity the allowed tags list
>  * Since version 1.1, this function uses htmlspecialchars 
> instead of htmlentities, for international support
>  * @param string $s
>  * @return string browser-displayable page
>  */
> function adv_htmlentities($s,$html_allowed)
> {
>     $___htmltemp = array_flip($html_allowed);
>     $___html1 = array();
>     foreach($___htmltemp as $tag => $trans)
>     {
>         $___html1['<'.$tag.'>'] = htmlentities('<'.$tag.'>');
>         $___html1['</'.$tag.'>'] = htmlentities('</'.$tag.'>');
>     }
>         $_html = array_flip($___html1);
>     }
>     $result = htmlspecialchars($s);
>     $entities = 
> array_flip(get_html_translation_table(HTML_SPECIALCHARS));
>     $result = strtr($result,$_html);
>     $matches = array();
>     preg_match_all('/(&lt;img.*&gt;)/U',$result,$matches);
>     for($i=0;$i<count($matches[1]);$i++)
>     {
>         $result = 
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(g
> et_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
>     }
>     preg_match_all('/(&lt;font.*&gt;)/U',$result,$matches);
>     for($i=0;$i<count($matches[1]);$i++)
>     {
>         $result = 
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(g
> et_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
>     }
>     preg_match_all('/(&lt;ol.*&gt;)/U',$result,$matches);
>     for($i=0;$i<count($matches[1]);$i++)
>     {
>         $result = 
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(g
> et_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
>     }
>     preg_match_all('/(&lt;ul.*&gt;)/U',$result,$matches);
>     for($i=0;$i<count($matches[1]);$i++)
>     {
>         $result = 
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(g
> et_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
>     }
>     preg_match_all('/(&lt;li.*&gt;)/U',$result,$matches);
>     for($i=0;$i<count($matches[1]);$i++)
>     {
>         $result = 
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(g
> et_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
>     }
>     preg_match_all('/(&lt;a .*&gt;)/U',$result,$matches);
>     for($i=0;$i<count($matches[1]);$i++)
>     {
>         $result = 
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(g
> et_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
>     }
>     return $result;
> }
> 
> Regards,
> Greg
> --
> phpDocumentor
> http://www.phpdoc.org
> "Justin French" <[EMAIL PROTECTED]> wrote in message 
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi all,
>
> Has anyone got a function or regexp floating around that will convert
behave
> like htmlspecialchars() or htmlentities() (eg converting & to &amp;, "

> to &quote;, etc etc) BUT NOT DESTROY HTML TAGS?
>
> Eg:
>
> "hello" said <a href="fred.php">Fred</a> & Judy
>
> should become:
>
> &quot;hello&quot; said <a href="fred.php">Fred &amp; Judy
>
> NOT:
> &quot;hello&quot; said &lt;a href=&quot;fred.php&quot;&gt;Fred &amp; 
> Judy
>
> ????
>
> I guess it's stripped down or limited version of htmlspecialchars() or

> htmlentities().
>
>
> Justin
>



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