rz10 at cornell.edu
Tue Mar 27 19:50:55 UTC 2007
On Mar 27, 2007, at 1:02 PM, Gabor Hojtsy wrote:
> Michael Favia wrote:
>> Karoly Negyesi wrote:
>>> empty and isset are the same speed and do not throw notices. if
>>> something is not set or NULL, then isset is TRUE. if something is
>>> not set or NULL or empty array, 0 or '' or '0' then empty is TRUE.
>> And by TRUE he means FALSE. Or possibly !isset() or !empty(). You
>> get the point. To be clear the following two statements are both
>> If something is not set or NULL, then isset() is FALSE. if
>> something is not set or NULL or empty array, 0 or '' or '0' then
>> empty() is FALSE.
>> If something is not set or NULL, then !isset() is TRUE. if
>> something is not set or NULL or empty array, 0 or '' or '0' then !
>> empty() is TRUE.
>> That is all.
> Hah, and by FALSE, you mean TRUE ;) isset() cannot be FALSE the
> same time empty() is FALSE, which is what you have written above...
... except when '' actually isn't empty , .
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