Description:
------------
Note: I am on a Mac and PHP 5.2.4 is the most recent version available from entropy.

Problem: Compound booleans expressed as string args in an 'if' statement don't 'appear' to work as expected:

Context:
  1.  I generate an array of counters.
  2.  I dynamically generate a compound boolean based on selected counters in the array.  (Note: since the real array is sparse, I must use the 'empty' operator).
  3.  When I submit the compound boolean as the expression of an 'if' statement, the 'if' appears to resolve ONLY the first element of the compound boolean.

Conclusion: appears to be a short-circuiting issue

Case 1: 'if' expression passed as string => "1. Conditions met"
Case 2: same as Case 1, but using catenation operator => "2. Conditions met"
Case 3: same 'if' expression but passed in context => "3. Conditions not met"

Reproduce code:
---------------
<?php
$aArray = array(1,0);
$sCondition = "!empty($aArray[0]) && !empty($aArray[1])";
if ($sCondition)
{
	echo "Case 1. Conditions met<br />";
}
else
{
	echo "Case 1. Conditions not met<br />";
}
if ("".$sCondition."")
{
	echo "Case 2. Conditions met<br />";
}
else
{
	echo "Case 2. Conditions not met<br />";
}
if (!empty($aArray[0]) && !empty($aArray[1]))
{
	echo "Case 3. Conditions met<br />";
}
else
{
	echo "Case 3. Conditions not met<br />";
}
?>

Expected result:
----------------
See, Case 3, above.

Actual result:
--------------
See, Case 1 and Case 2, above.