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Bug #11627 string '0' treated as empty
Submitted: 2001-06-23 07:54 UTC Modified: 2001-06-24 12:16 UTC
From: vgo at nrd dot lt Assigned:
Status: Closed Package: Unknown/Other Function
PHP Version: 4.0.5 OS: Windows 2000
Private report: No CVE-ID: None
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From: vgo at nrd dot lt
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 [2001-06-23 07:54 UTC] vgo at nrd dot lt 
the string '0' is not empty but treated as empty

if( empty( '0' ) )
{

}

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 [2001-06-23 14:29 UTC] sniper@php.net 
Yes, this is intentional. Check the manual page for it:

http://www.php.net/empty
 [2001-06-24 12:16 UTC] brianlmoon@php.net 
Actually, you should get an error on that line.

empty takes a variable, not a value.
 
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