Remember, array_values() will ignore your beautiful numeric indexes, it will renumber them according tho the 'foreach' ordering:

<?php
$a = array(
 3 => 11,
 1 => 22,
 2 => 33,
);
$a[0] = 44;

print_r( array_values( $a ));
==>
Array(
  [0] => 11
  [1] => 22
  [2] => 33
  [3] => 44
)
?>