Online PHP editor | refs for 3EFc4

@ 2013-09-20T20:19:01Z

<?php
/**
 * @param DateTime $date
 * @return bool
 */
function firstDayOfMonth(\DateTime $date)
{
    return (int)$date->format('d') <= 7 && $date->format('l') === 'Monday';
}

$day = new \DateTime('2013/9/2');
var_dump(firstDayOfMonth($day));