note 63217 added to function.min
| From: | steffen at morkland dot com | Date: | Thu, 16 Mar 2006 10:16:46 +0000 |
| Subject: | note 63217 added to function.min | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-105900@lists.php.net to get a copy of this message | ||
> NEVER EVER use this function with boolean variables !!!
> Or you'll get something like this: min(true, 1, -2) == true;
> Just because of:
> min(true, 1, -2) == min(min(true,1), -2) == min(true, -2) == true;
It is possible to use it with booleans, there is is just one thing, which you need to keep in mind,
when evaluating using the non strict comparison (==) anyting that is not bool false, 0 or NULL is
consideret true eg.:
(5 == true) = true;
(0 == true) = false;
true is also actually anything else then 0, false and null. However when true is converted to a
string or interger true == 1, therefore when sorting true = 1. But if true is the maximum number
bool true is returned. so to be sure, if you only want to match if true is the max number remember
to use the strict comparison operater ===
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