array-rotate-php

<?php

$handle = fopen ("php://stdin","r");
fscanf($handle,"%d %d",$n,$k);
$a_temp = fgets($handle);
$a = explode(" ",$a_temp);
array_walk($a,'intval');

function rotate_left($arr, $k){
    $left = array_reverse(array_slice($arr,0,$k));
    $right = array_reverse(array_slice($arr,$k,count($arr)));

    return array_reverse(array_merge($left,$right));
}

echo(implode( ' ',rotate_left($a,$k)));
?>