Here's what i made:
<?
$taxrate=array('CA'=>5,'WA'=>7,'OR'=>8);
$states=array('CA','WA','OR');
function calctax($amount, $st)
{
global $taxrate;
global $states;
$tax=$amount*$taxrate[$st];
return $tax/100;
}
$amnt=200;
foreach($states as $st)
{
print "Tax in $st for amount $amnt is ".calctax($amnt, $st);
print "<br/>\n";
}
?>
Output:
Tax in CA for amount 200 is 10
Tax in WA for amount 200 is 14
Tax in OR for amount 200 is 16/
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