}
echo "<br/>";
}
echo "<br/>";
// However, to sort, we need a comparator that takes two objects as
// arguments, so as to work with the usort framework. Note the
// somewhat odd syntax below. The second argument to the usort
// function is actually an array with the class name and method name
// as a pair. This is needed if the comparator is a method within
// a class.
usort($A, array('Animal', 'compare'));
echo "Output in sorted order:<br/>";
foreach ($A as $animal) {
echo "{$animal}<br/>";
}
echo "<br/>";
usort($A, array('Animal', 'compareTwo'));
echo "Output in sorted order:<br/>";
foreach ($A as $animal) {
echo "{$animal}<br/>";
}
echo "<br/>";
// We can call static methods using the scope resolution operator
Animal::wacky();
// Objects are automatically destructed at the end of the script, so
// uncommenting the line below will have no effect
//unset($A);
?>
</body>
</html>
