Re: if (empty(trim('x'))) == parse error?

From: Date: Wed, 28 Nov 2001 09:21:40 +0000
Subject: Re: if (empty(trim('x'))) == parse error?
References: 1  Groups: php.dev 
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From the docs for empty():
"Note that this is meaningless when used on anything which isn't a
variable; i.e. empty (addslashes ($name)) has
no meaning since it would be checking whether something which isn't a variable is a variable
with a FALSE value. "

Regards,
Andrey Hristov
     
   
----- Original Message ----- 
From: "Holger Schopohl" <poiujkl@gmx.de>
To: <php-dev@lists.php.net>
Sent: Wednesday, November 28, 2001 11:15 AM
Subject: [PHP-DEV] if (empty(trim('x'))) == parse error?


> Hi,
> 
> why php results a parse error on this expression?
> 
> if (empty(trim('x'))) echo "Hello";
> 
> the statement works fine:
> $x=trim('x');
> if (empty($x)) echo "Hello";
> 
> it is not really logically.
> 
> Regards,
> 
> Holger
> 
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