Source of thisOldMan.php
<html>
<head>
<title>This Old Man</title>
</head>
<body>
<h1>This Old Man</h1>
<h3>Demonstrates use of functions</h3>
<?
verse1();
chorus();
verse2();
chorus();
function verse1(){
print <<<HERE
This old man, he played 1<br>
He played knick-knack on my thumb<br><br>
HERE;
} // end verse1
function verse2(){
print <<<HERE
This old man, he played 2<br>
He played knick-knack on my shoe<br><br>
HERE;
} // end verse1
function chorus(){
print <<<HERE
...with a knick-knack<br>
paddy-whack<br>
giva a dog a bone<br>
this old man came rolling home<br>
<br><br>
HERE;
} // end chorus
?>
</body>
</html>