PHP : Improved native for loop variations for much speed when iterating

improved_native_for_loop.php

<?php

$array = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);

for($i = count($array)-1;$i >= 0; $i--) {
	echo $array[$i].", ";
};

/* Will produce :
    10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 
*/

improved_native_for_loop_reversed.php

<?php

$array = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);

for($i = count($array)-1;$i >= 0; $i--) {
    $n = count($array)-1-$i;
    echo $array[$n].", ";
};

/* Will produce :
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 
*/