<html>
<head>
<title>PHP Test</title>
</head>
<body>
<?php
// test arrays
$arr = array("dayofweek" => "tuesday", 12 => true);
echo $arr["dayofweek"]; // bar
echo "<p>";
echo (boolean)$arr[12]; // true
echo "<hr>";
$foo = 'Bob'; // Assign the value 'Bob' to $foo
$bar = &$foo; // Reference $foo via $bar.
$bar = "My name is $bar"; // Alter $bar...
echo "the value of bar is ".$bar."<br/>";
echo "the value of foo is ".$foo."<br/>";
// $foo is altered too.
?>
</body>
</html>