Description:
------------
Rounding error on all numbers between 2048 and 8191 ending with .575 - When rounding to two decimal places.

For Example, instead of rounding 2048.575 up to 2048.58 it is rounding down to 2048.57

See attached Code.

Example URL: http://www.pngwyn.com/test.php

* Note: Example URL is running 5.05 - But this has been tested on 5.1.2 as well.

Reproduce code:
---------------
<?php
$start = 2040.575;
$for = '6500';
$max = $for + $start;

print("<font face=verdana size=2><a href=\"http://www.pngwyn.com/phpinfo.php\">PHP Info for this Server</a><br><br>");

for($i = $start; $i <= $max; $i++) {
        $round = round($i, 2);
        print("Original Number: <b>$i</b> --- Rounded Number: <b>$round</b> <br>");
}
?>


Expected result:
----------------
Original Number: 2046.575 --- Rounded Number: 2046.58
Original Number: 2047.575 --- Rounded Number: 2047.58
Original Number: 2048.575 --- Rounded Number: 2048.58
Original Number: 2049.575 --- Rounded Number: 2049.58 
[ 2050.575 - 8189.575 ... ]
Original Number: 8190.575 --- Rounded Number: 8190.58
Original Number: 8191.575 --- Rounded Number: 8191.58
Original Number: 8192.575 --- Rounded Number: 8192.58
Original Number: 8193.575 --- Rounded Number: 8193.58

Actual result:
--------------
Original Number: 2046.575 --- Rounded Number: 2046.58
Original Number: 2047.575 --- Rounded Number: 2047.58
Original Number: 2048.575 --- Rounded Number: 2048.57
Original Number: 2049.575 --- Rounded Number: 2049.57 
[ 2050.575 - 8189.575 ... ]
Original Number: 8190.575 --- Rounded Number: 8190.57
Original Number: 8191.575 --- Rounded Number: 8191.57
Original Number: 8192.575 --- Rounded Number: 8192.58
Original Number: 8193.575 --- Rounded Number: 8193.58