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(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.
Diese Funktion hat keine Parameter.
An InvalidArgumentException will be thrown if the current entry does not contain an array or an object.
Beispiel #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();
}
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
No children. No children. a : apple p : pear
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