RecursiveArrayIterator::getChildren Returns an iterator for the current entry if it is an array or an object &reftitle.description; public RecursiveArrayIteratorRecursiveArrayIterator::getChildren Returns an iterator for the current iterator entry. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; An iterator for the current entry, if it is an array or object. &reftitle.errors; An InvalidArgumentException will be thrown if the current entry does not contain an array or an object. &reftitle.examples; "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(); } ?> ]]> &example.outputs; &reftitle.seealso; RecursiveArrayIterator::hasChildren