PHP获取星期几的常用方法小结

date("l");
//data就可以获取英文的星期比如Sunday
date("w");
//这个可以获取数字星期比如123，注意0是星期日

$weekarray=array("日","一","二","三","四","五","六");
//先定义一个数组
echo "星期".$weekarray[date("w")];
//输出：星期二

$weekarray=array("日","一","二","三","四","五","六");
echo "星期".$weekarray[date("w",strtotime("2018-12-18"))];
//输出：星期二