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Processing Text

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Feb 18.2006

I need something to process some text entered in a form field by a user, so that I can just plonk it into a php generated email. The basic idea is to pre-process the text, eliminating anything the user might have entered that could cause a problem with the email. I mean it does not have to be great. I suppose eliminate everything other than a-z, 0-9 spaces, commas and a few other things. Anyoen got anything handy?

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@NogDogFeb 18.2006 — Is the email being output as HTML or plain text?
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@DurothFeb 18.2006 — You might want to check out http://nl3.php.net/manual/en/function.htmlspecialchars.php for this one.

The function would probably be like this:

[code=php]$var = htmlspecialchars("$var", ENT_QUOTES);[/code]

This converts all HTML to textual chars, meaning that using scripts and HTML is nearly impossible.

Edit: http://nl3.php.net/manual/en/function.htmlentities.php might do an even better job:
[code=php]$var = htmlentities("$var", ENT_QUOTES);[/code]
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