RecursiveArrayIterator::getChildren
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
RecursiveArrayIterator::getChildren — Returns an iterator for the current entry if it is an array or an object
Description
Returns an iterator for the current iterator entry.
Parameters
This function has no 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
Example #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();
}
?>
The above example will output:
No children. No children. a : apple p : pear
See Also
- RecursiveArrayIterator::hasChildren() - Returns whether current entry is an array or an object
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