months names list

$months  = [];
$dateTime = new DateTime();
$dateTime->setDate($dateTime->format('Y'), 1, 1);
for ($_i = 1; $_i < 13; $_i++) {
    $monthName   = $dateTime->format('F'); // March
    $dateTime->modify('+1 month');
    $months[$_i] = $monthName;
}
var_dump($months);