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
public RecursiveArrayIterator::getChildren(): ?RecursiveArrayIterator
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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https://www.php.net/manual/en/recursivearrayiterator.getchildren.php