ループで0-4になる対応の改善案

サンプル

<?php  
$sample = array(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20);
$begin = 0;
$end = 5;
/*
 * 0
 * 1
 * 2
 * 3
 * 4
 */

$begin = 0;
$end = 10;
/*
 * 0
 * 1
 * 2
 * 3
 * 4
 * 5
 * 6
 * 7
 * 8
 * 9
 */

$begin = 0;
$end = 20;

$cnt = 0;

foreach ($sample as $each) {
    if ($cnt >= $begin && $cnt < $end) {
        echo $each.PHP_EOL;
    }

    $cnt++;
}

?>