| Re: strip_tags function [message #178740 is a reply to message #178739] |
Thu, 26 July 2012 21:54   |
Gregor Kofler
Messages: 69
Registered: September 2010
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Am 2012-07-26 20:24, The Natural Philosopher meinte:
> Tim Fardell wrote:
>> On Thu, 26 Jul 2012 18:18:44 +0100, Tim Fardell
>> <tim(dot)fardell(dot)all-your-clothes(at)virgin(dot)net> wrote:
>>
>>> However, am I right in thinking that the strip_tags() function simply
>>> assumes
>>> that any less-than character (<) occurring within a string is the
>>> beginning of a
>>> tag?
>>> I hope I'm wrong, because that would be completely crap and useless :-)
>>
>> Apologies for following-up my own post, but I just realised the answer
>> to my own
>> question.
>> I think I am correct that strip_tags assumes any '<' character to be the
>> beginning of a tag - but this doesn't actually matter, since the input
>> string
>> should be HTML encoded anyway, so all '<' characters should be escaped
>> as '<'
>> - so all actual '<' characters will indeed be tags :-)
>>
>> So I wasn't wrong, but it's not as crap and useless as I thought!
> I was about to say 'so does your browser'
>
> There is a function that only strips certain listed tags, but I cant
> remember what it is
strip_tags? It's just the other way round: You have to supply the
allowed tags.
Gregor
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