[Foreigner]

Код:

$a = 1,2,3,4
($a.count-1)..0 | foreach {$a[$_]} 

''
$x = $a.count - 1
foreach ($i in $a) {$a[$x]; $x--}

''
$a | foreach {[array]::reverse($a)} {$_} {[array]::reverse($a)}

''
$a