Description of problem:

in php code having a negative array index - e.g. $dummy[-2]=123; - and using var_export($dummy,true) returns 2*MAXINT-1 as index id

further details listed here: http://bugs.php.net/52534


Version-Release number of selected component (if applicable):
CentOS 5.5 and 5.6

php.x86_64  5.1.6-27.el5_5.3  
php53.x8664 5.3.3-1.el5_6.1


How reproducible:
<?php

$dummy[-2]=123;
echo  "<br>";
echo var_export($dummy,true);
echo "<br>";

?>


Steps to Reproduce:
1. put php file on server
2. open it
3.
  
Actual results:
array ( 18446744073709551614 => 123, )

Expected results:
array ( -2=> 123, )

Additional info:
works fine with php.x86_64 5.1.6-27.el5