PHP 日期函数 cal_days_in_month()
PHP 日期函数 cal_days_in_month()
<?php
$num = cal_days_in_month(CAL_GREGORIAN, 1, 20016);
echo "There was $num days in Jan 20016";
?>
<?php
$num = cal_days_in_month(CAL_GREGORIAN, 1, 20016);
echo "There was $num days in Jan 20016";
?>