Is there a better way to do this....

[Anon]

Hi there,

THis looks all long and messy, can someone suggest a better way to do it? Would it be better in an array? What sort of array, it works ok, just wondered if there was a better faster way to do it (just the "convert to letters" bit):

<?php
////////////////////////////////////////
///
/// Name: Equazen Fatty acid profle assessment
///
/// Author: Mike Pearce
/// Date: 22/03/01
///
/// Use: To determine the users fatty acid profile
/// by calobrating input data to determine a
/// sum total, then comparing that to the answers.
///
/////////////////////////////////////////////////

	//Add all the scores together to get the sum totals
	$physical = ($pa + $pb + $pc + $pd + $pe + $pf + $pg +$ph);
	$visual = ($va + $vb + $vc + $vd + $ve);
	$attention = ($aa + $ab + $ac + $ad + $ae + $af);
	$mood = ($ma + $mb + $mc + $md + $me);	

	//Now convert the Number into letters that correspond to the answers. - Physical
	if ($physical <= 5){
			$physical = "a";
				}elseif (($physical >5) && ($physical<=12)){
					$physical = "b";
						}else{
							$physical = "c";}

	//Now convert the Number into letters that correspond to the answers. - Visual
	if ($visual <= 4){
			$visual = "d";
				}elseif (($visual >5) && ($visual<=9)){
					$visual = "e";
						}else{
							$visual = "f";}		

	//Now convert the Number into letters that correspond to the answers. -Attention
	if ($attention <= 4){
			$attention = "g";
				}elseif (($attention >5) && ($attention<=10)){
					$attention = "h";
						}else{
							$attention = "i";}	

	//Now convert the Number into letters that correspond to the answers. -Mood
	if ($mood <= 4){
			$mood  = "j";
				}elseif (($mood  >5) && ($mood <=9)){
					$mood  = "k";
						}else{
							$mood  = "l";}