Re: Re: htmlspecialchars() or htmlentities without destroying tags?
| From: | Justin French | Date: | Wed, 08 Jan 2003 05:25:02 +0000 |
| Subject: | Re: Re: htmlspecialchars() or htmlentities without destroying tags? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-130700@lists.php.net to get a copy of this message | ||
Thanks,
I'll give it a whrrrl :)
Justin
on 08/01/03 4:05 PM, Greg Beaver (greg@chiaraquartet.net) wrote:
> 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);
> $matches = array();
> preg_match_all('/(<img.*>)/U',$result,$matches);
> for($i=0;$i<count($matches[1]);$i++)
> {
> $result =
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(get_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
> }
> preg_match_all('/(<font.*>)/U',$result,$matches);
> for($i=0;$i<count($matches[1]);$i++)
> {
> $result =
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(get_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
> }
> preg_match_all('/(<ol.*>)/U',$result,$matches);
> for($i=0;$i<count($matches[1]);$i++)
> {
> $result =
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(get_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
> }
> preg_match_all('/(<ul.*>)/U',$result,$matches);
> for($i=0;$i<count($matches[1]);$i++)
> {
> $result =
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(get_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
> }
> preg_match_all('/(<li.*>)/U',$result,$matches);
> for($i=0;$i<count($matches[1]);$i++)
> {
> $result =
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(get_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
> }
> preg_match_all('/(<a .*>)/U',$result,$matches);
> for($i=0;$i<count($matches[1]);$i++)
> {
> $result =
> str_replace($matches[1][$i],strtr($matches[1][$i],array_flip(get_html_transl
> ation_table(HTML_SPECIALCHARS))),$result);
> }
> return $result;
> }
>
> Regards,
> Greg
> --
> phpDocumentor
> http://www.phpdoc.org
> "Justin French" <justin@indent.com.au> wrote in message
> news:BA41E11F.1BC59%justin@indent.com.au...
>> Hi all,
>>
>> Has anyone got a function or regexp floating around that will convert
> behave
>> like htmlspecialchars() or htmlentities() (eg converting & to &, " to
>> "e;, etc etc) BUT NOT DESTROY HTML TAGS?
>>
>> Eg:
>>
>> "hello" said <a href="fred.php">Fred</a> & Judy
>>
>> should become:
>>
>> "hello" said <a href="fred.php">Fred & Judy
>>
>> NOT:
>> "hello" said <a href="fred.php">Fred
>> & Judy
>>
>> ????
>>
>> I guess it's stripped down or limited version of htmlspecialchars() or
>> htmlentities().
>>
>>
>> Justin
>>
>
>