rotate-array.php

<?php

$funArrRotate = function (&$array, $rotate_count) {
    for ($i = 0; $i < $rotate_count; $i++) {
        array_push($array, array_shift($array));
    }
};
$numbers = [];
for ($x = 1; $x <= 12; $x++) {
    $numbers[] = $x;
}
$funArrRotate($numbers, 6);
// Note: numbers value: [7,8,9,10,11,12,1,2,3,4,5,6]

// References:
// - https://stackoverflow.com/questions/5601707/php-rotate-an-array/41073285#41073285