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by inaccessible
4632 days ago
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I think it might be because if you write something like $PARAM_INT_sometypo that variable would be undefined, and it is easy to catch. But if you are using constants PARAM_INT_typo becomes a string[1]. That way you would have to do more validation about that, too. But without more context it's not that easy to tell. [1]: http://us.php.net/manual/en/language.constants.syntax.php (search for "undefined constant") |
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