"tuesday", 12 => true);
echo $arr["dayofweek"]; // bar
echo "";
echo (boolean)$arr[12]; // true
echo "
";
$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."
";
echo "the value of foo is ".$foo."
";
// $foo is altered too.
?>