Description:
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I am working with a uniserver with  Apache 2.0.54, ActivePerl 5.8.7.813, PHP 5.0.4, MySQL 4.1.12a, phpMyAdmin-2.6.3-rc1 

When I stored some data in a array with key field in integer but in a jumbled manner (insted of 1,2,3,4 as the key values i gave 0,1,4,2,3).
Then when i printed it using the print_r function I got the data in the order of the key values 0,1,4,2,3.
But shouldn't it have come in the order 0,1,2,3,4?

I have written the code below.
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PS : I couldnt find a relevant PHP version so I selected 5CVS 2005-12-01(snap)

Reproduce code:
---------------
<?php
$x[0] = 'robin';
$x[1] = 'tony';
$x[4] = 'Sini';
$x[2] = 'pradeep';
$x[3] = 'prem';

print_r($x);
?>



Expected result:
----------------
Array ( [0] => robin [1] => tony [2] => pradeep [3] => prem [4] => Sini ) 

Actual result:
--------------
Array ( [0] => robin [1] => tony [4] => Sini [2] => pradeep [3] => prem )