RecursiveArrayIterator::getChildren
(PHP 5 >= 5.1.0, PHP 7)
RecursiveArrayIterator::getChildren — Returns an iterator for the current entry if it is an array or an object.
Description
public RecursiveArrayIterator RecursiveArrayIterator::getChildren ( void )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.
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 : pearSee Also
- RecursiveArrayIterator::hasChildren() - Returns whether current entry is an array or an object.
← RecursiveArrayIterator
RecursiveArrayIterator::hasChildren →
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