Why wont this Array run

Question

I need help with this multidimensional array.

<?php
$myarr = array();
for ($row =0; $row < 2; $row++){
for($col = 0; $col < 16; $col++){
echo $myarr[$row][$col];
}
}

Answer 1

https://www.w3schools.com/php/php_arrays_multi.asp

Answer 2

Aiden Brody if you are satisfied with the correct answer here you should mark it as best not your own "thank you"🤔
ATB👍

Answer 3

Thank you

Answer 4

you dont have any elements in array

Answer 5

Yes I want the loops to put the elements in the array is there a way to do it

Answer 6

yes

Answer 7

Thank you can you tell me how to do it