(PHP 5 >= 5.1.0)
RecursiveArrayIterator::getChildren — Returns an iterator for the current entry if it is an array or an object.
Returns an iterator for the current iterator entry.
Ta funkcja nie posiada parametrów.
An InvalidArgumentException will be thrown if the current entry does not contain an array or an object.
Przykład #1 RecursiveArrayIterator::getChildren() example
<?php
$fruits = array("a" => "lemon", "b" => "orange", array("a" => "apple", "p" => "pear"));
$iterator = new RecursiveArrayIterator($fruits);
while ($iterator->valid()) {
if ($iterator->hasChildren()) {
// print all children
foreach ($iterator->getChildren() as $key => $value) {
echo $key . ' : ' . $value . "\n";
}
} else {
echo "No children.\n";
}
$iterator->next();
}
?>
Powyższy przykład wyświetli:
No children. No children. a : apple p : pear