php returns the current date or the day of the week for the specified date

PHP day of the week acquisition code:

date("l"); //Data can get the English day of the week such as Sunday
date("w"); //This can get the numeric day of the week such as 123, note that 0 is Sunday

Get the Chinese day of the week:

$weekarray=array("日","一","二","三","四","五","六" ; ","一","二","三","四","五","六");
echo "week".$weekarray[date("w","2011-11-11") ];