An archive a-z links bar with PHP

[iGuest 3]

<div class="contentBlock" id="aZbar"><span class="title">Archive:</span> <a class="compact" href="/archive/letter.php?letter=9">#</a> <?phpfor ($i = a;; $i++) { //this says that our variable is a and each time through the loop, it becomes the next letter in the alphabet   ?>  <a class="singleLetter"    href="<!--insert archive link here -->.php?letter=<?php echo $i ?>"><?php echo $i ?></a><?php   if ($i == "z") { //when the value of $i is z, this ends the code.       break;   }} //end of Archive a-z bar code?></div>