Some questions about if and isset.

["Geir Anders Berge" <grandars@xxxxxx>]

I'm sure that this code can be written more efficient, please tell me how,  
but that's not my problem. The problem is that when i run this script all  
lines are executed. I'm sure I'm doing something wrong, but can't find out  
just what.

<?php
if (isset($variable))
{
	if ($variable < $constant)
	{
	Execute this code if $variable is less than $constant
	}
	if ($variable > $constant)
	{
	Execute this code if $variable is more than $constant
	}
	if ($variable == $constant)
	{
	Execute this code if $variable and $constant are equal
	}
}
else
{
Execute this code if $variable is not set
}
?>

Thanks for all help!

Geir Anders Berge

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