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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> Back to top |
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