Thread: Is this safe?
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  #10  
Old 07-14-2009, 10:58 AM
Marco van Herwaarden Marco van Herwaarden is offline
 
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Not only that, the input cleaner should not "clean" variables that still are used in their raw form (calculations for example). It will clean according to the class that is used.

Some examples:
TYPE_STR - Any string, including non-safe characters.
TYPE_NOHTML - Same as above, but cleaned of all HTML special characters. Safe to display on page (XSS), but not SQL-safe.

TYPE_INT - Non-numeric data is stripped, safe to display or use in query.
TYPE_UINT - Same as above, but only positive integers allowed.
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