Best way to list Alphabetical(A-Z) using PHP

Question

I need to print/list alphabetical(A-Z) chararcters to manage Excel cells. Is there any PHP function to list alphabetic?

I need result as

A1
B1
C1
D1
..         


        

Answer 1

You can do it in this way as well: ASCII range used here.

for($i = 65 ; $i<=90; $i++)
{
  echo chr($i);
}