Description:
------------
An interesting bug, if you do the following:

$val = 2345.35;
$val = sprintf("%01.2f", $val);
echo $val;

Output is "2.00", instead of "2345.35". The solution is to use an intermediate variable:

$val = 2345.35;
$val2 = sprintf("%01.2f", $val);
$val = $val2;
echo $val;

Reproduce code:
---------------
$val = 2345.35;
$val = sprintf("%01.2f", $val);
echo $val;


Expected result:
----------------
2345.35

Actual result:
--------------
2.00