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what is wrong with this statment in php?

Posted on 2008-06-12
4
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Last Modified: 2010-04-21
$type="gif";
if(($type!="gif") || ($type!="jpeg") || ($type=="gif"))
{
echo "You can only upload a photo";
}

and when i run it i get
You can only upload a photo
why?
0
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Question by:mgtm3
4 Comments
 
LVL 27

Accepted Solution

by:
yodercm earned 500 total points
ID: 21769606
You are using the OR operator, so if any one of the conditions is true, the echo will operate.  Obviously, in this case, it will always be true because of the first and last conditions.
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LVL 48

Expert Comment

by:hernst42
ID: 21769612
$type!="gif" or ($type=="gif")
is allways true, remove ($type=="gif") or replace it with
($type!="png")
0
 

Author Closing Comment

by:mgtm3
ID: 31466555
thanks
0
 
LVL 82

Expert Comment

by:hielo
ID: 21769635
You need an AND condition and don't need the $type=="gif"


$type="gif";
if(($type!="gif")&& ($type!="jpeg") )
{
echo "You can only upload a photo";
}
0

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