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
Returns an iterator for the current iterator entry.
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
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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