判断平年闰年

公历闰年断定遵循的规律为：四年一闰，百年不闰，四百年再闰。spa $year=2016; if(($year%4 == 0 && $year%100 != 0) || ($year%400 == 0 )) {echo "闰年. "; }else {echo " 平年"; }

>>阅读原文<<