Best way to list Alphabetical(A-Z) using PHP
<p>can any one please let me know, i need to print/list Alphabetical(A-Z) char to manage Excel cells. Is there any php function to list Alphabetic?</p>

<p>I need result as</p>

<pre><code>A1
B1
C1
D1
...
...
...
</code></pre>

<p>OR</p>

<pre><code>A
B
C
...
...
</code></pre>
