RecursiveArrayIterator::getChildren
PHP function
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(PHP 5 >= 5.1.0, PHP 7, PHP 8)
Returns an iterator for the current entry if it is an array or an object
Description
RecursiveArrayIterator::getChildren(): RecursiveArrayIterator|null
Returns an iterator for the current iterator entry.
Parameters Parameters
Return Values
An iterator for the current entry, if it is an array or object; or null on failure.
Errors/Exceptions
An InvalidArgumentException will be thrown if the current entry does not contain an array or an object.
Examples
RecursiveArrayIterator::getChildren() example
php
<?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();
}
?>The above example will output:
output
No children.
No children.
a : apple
p : pear