Topic: function parameters
Hi,
In the code below, I understand the $place variable and how it's working. What I can't understand is how I'M getting the output "he played 1, 2, etc... How is that function and the $stanza variable returning a single digit number? Thanks
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Param Old Man</title>
</head>
<body>
<h1>Param Old Man</h1>
<h3>Demonstrates use of function parameters</h3>
<?php
print verse(1);
print chorus();
print verse(2);
print chorus();
print verse(3);
print chorus();
print verse(4);
print chorus();
function verse($stanza)
{
switch($stanza)
{
case 1:
$place = "thumb";
break;
case 2:
$place = "shoe";
break;
case 3:
$place = "knee";
break;
case 4:
$place = "door";
break;
default:
$place = "I don't know where";
} //end switch
$output = <<<HERE
This old man, he played $stanza<br>
He played knick-knack on my $place<br><br>
HERE;
return $output;
} //end veruse
function chorus()
{
$output = <<<HERE
...with a knick-knack<br>
paddy-wack<br>
give a dog a bone<br>
this old man came rolling home<br>
<br><br>
HERE;
return $output;
}// end chorus
?>
</body>
</html>
