php forms

less0n 21
html forms
<form action = "index.php" method ="">	whenver us submit this html , it writes in url with ? Day month year
Day: <br> <input type="text" name="day" > <br> <br>	if we enter values submit, it shows day month year
month: <br> <input type="text" name="month" > <br> <br>	after entering this page redirects to index.php page
year: <br> <input type="text" name="year" > <br> <br>	index.php?day=10&month=12&year=2020
<input type ="submit" value="submit">
</form>

what happpened in url after submit

where It redirects will go to after submit

form

input

index

submit