[colug-432] PHP code question?

[pat at linuxcolumbus.com]

On 2015-12-20 18:34, Vince Herried wrote:
> 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?
> 

<?php
$temp = 'A';
if (preg_match('/[a-z]/i', $temp, $match) && strlen($temp) == 1) {
	print $match[0];
} else {
     print "nope";
}

?>

Pat