return parent::valid();
}
function key()
{
echo __METHOD__ . count($this) . '; ';
return parent::key();
}
function rewind()
{
echo __METHOD__ . count($this) . '; ';
return parent::rewind();
}
function next()
{
echo __METHOD__ . count($this) . '; ';
return parent::next();
}
}
$pizzas = new ArrIt(array('Margarita', 'Siciliana', 'Hawaii'));
$toppings = new ArrIt(array('Cheese', 'Anchovies', 'Olives', 'Pineapple', 'Ham'));
$appendIterator = new X();
$appendIterator->append($pizzas);
$appendIterator->append($toppings);
foreach ($appendIterator as $key => $item) {
echo "{$key} => {$item}", PHP_EOL;
}
$appendIterator->append($toppings);
while ($appendIterator->valid()) {
echo $appendIterator->key() . " => " . $appendIterator->current() . "\n";
$appendIterator->next();
}