php - 如何获取当月的所有星期五

Question

我有一个问题，

$fridays = array();
$fridays[0] = date('Y-m-d', strtotime('first friday of this month'));
$fridays[1] = date('Y-m-d', strtotime('second friday of this month'));
$fridays[2] = date('Y-m-d', strtotime('third friday of this month'));
$fridays[3] = date('Y-m-d', strtotime('fourth friday of this month'));
$fridays[4] = date('Y-m-d', strtotime('fifth friday of this month'));

但是没有第五个星期五。有些月份有第五个星期五。如何检查而不设置最后一个项目数组？

Answer 1

$fifth = strtotime('fifth friday of this month');

if (date('m') === date('m', $fifth)) {
  $fridays[4] = date('Y-m-d', $fifth);
}