Why does the submission go to a blank page?

Question

<form>

<input type="text" name="year" placeholder="Please enter the year">

<input type="submit" name ="Calculation">

##</form>

<?php

$year=$_GET['year '];

if($year%4==0&&$year 0==0||$year@0==0)

{

echo " This year is a leap year";

}

else{

echo "This year is a leap year";

}

?>

Answer 1

The code can run normally without the problems you mentioned

Answer 2

Can you try changing the get method to post?