Question

<?php

//Given a year, month and day, output the day of the year that the date is (note that leap year 4 100 400)
//Technical routes that can be used: various types of variables such as arrays, flow control statements switch if else for

Sy=2048;Sm
=
5;Sd= 13:
2
Down
Sx=
0;

//todo: Calculate the number of days as x

echo Sy."年

<?php //Given a year, month and day, output the day of the year that the date is (note that leap year 4 100 400)

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