Array
(
    [0] => 7005
    [1] => 1000
    [2] => 18520
    [6] => 4140
    [8] => 7600
    [9] => 1380
    [10] => 2380
    [13] => 2000
    [15] => 1000
    [27] => 1500
    [28] => 5580
)
Array
(
    [0] => 7005
    [1] => 1000
    [2] => 18520
    [3] => 4140
    [4] => 7600
    [5] => 1380
    [6] => 2380
    [7] => 2000
    [8] => 1000
    [9] => 1500
    [10] => 5580
)

<pre><?php


$t = array(
    0 => 7005,
    1 => 1000,
    2 => 18520,
    6 => 4140,
    8 => 7600,
    9 => 1380,
    10 => 2380,
    13 => 2000,
    15 => 1000,
    27 => 1500,
    28 => 5580
);


print_r( $t );
echo '<hr>';
print_r( array_values($t) );
echo '<hr>';


highlight_file( __FILE__ );