[colug-432] PHP code question?

[Vince Herried]

I have a set of buttons for each letter of the alphabet
.
.

<a href="{_SERVER['PHP_SELF']}?_letterA">F</a>
<a href="{_SERVER['PHP_SELF']}?_letterB">G</a>
<a href="{_SERVER['PHP_SELF']}?_letterC">H</a>
.
.

I want to respond to the button press and set
$letter='A';
if some one presses the button for A, and
$letter='B';
if some one presses button for B, etc.

I would rather not write 26 if statements such as
if (isset($_GET['_letterA'])) {
   $letter='A';
} else if ......

Is there a way to do this using regular expressions?

------------

Vince
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