Description:
------------
there is a bug in 5.2.6 causing unexpected results when using next() function indisde foreach. Results from php 5.1, or 4.x are as expected.

Reproduce code:
---------------
<?php
$arr=array('a','b','c', 'd','e');
foreach($arr as $a){
	print_r($a);
	echo " next is: ";
	print_r(next($arr));
	echo "<br />";
}
?>

Expected result:
----------------
a next is: b
b next is: c
c next is: d
d next is: e
e next is: 

Actual result:
--------------
a next is: c
b next is: d
c next is: e
d next is:
e next is: