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Questions about xss_clean

Hello ,

I used to use mysql_real_escape_string() to escape input strings in my MySQL queries.

Since I have problems using this function with <textarea>s (because it is escaping new lines and shows \n\r even if my global xss filtering is set to false), I'd like to use the xss_clean function.

But I'd like to know what does xss_clean() really do. Because I tried to echo some xss_cleaned strings and it doesn't seem to do anything. Is it normal ?

Do I have to use it like this : load the security library first and $this->security->xss_clean($str); ?

Thank you.

mysql_real_escape_string() is not for xss.

Anyways, try using one of these: (look at the user guide: http://ellislab.com/codeigniter/user-gui...eries.html)

It seems to work pretty well. Do you advise me to change all mysql_real_escape_string by $this->db->escape() ?

And by the way is there a clean solution to convert \n to new lines in textareas ?

Thanks !

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