/**
* Makes the object unmodifiable.
* @return void
*/
public function freeze()
{
parent::freeze();
foreach ($this->getArrayCopy() as $val) {
if ($val instanceof self) {
$val->freeze();
}
}
}
}
// List::__construct()
$arr = array('a' => $jack, 'b' => $mary, 'c' => $foo);
try {
echo "Construct from array\n";
$hashtable2 = new Hashtable($arr, 'Person');
} catch (Exception $e) {
echo get_class($e), ': ', $e->getMessage(), "\n\n";
}
echo "Construct from array II.\n";
$hashtable2 = new Hashtable($arr);
Debug::dump($hashtable2);
// readonly collection
echo "Construct as readonly\n";
$hashtable2 = new Hashtable($hashtable);
$hashtable2->freeze();
Debug::dump($hashtable2->isFrozen());
try {
echo "Adding Jack using []\n";
$hashtable2['new'] = $jack;
} catch (Exception $e) {
echo get_class($e), ': ', $e->getMessage(), "\n\n";
}
try {
echo "Adding Jack using add\n";
$hashtable2->add('new', $jack);
} catch (Exception $e) {
echo get_class($e), ': ', $e->getMessage(), "\n\n";
}
try {
echo "Removing using unset\n";
