RecursiveArrayIterator::getChildren
RecursiveCachingIterator
RecursiveArrayIterator
PHP Manual

# RecursiveArrayIterator::hasChildren

(PHP 5 >= 5.1.0)

RecursiveArrayIterator::hasChildren — Returns whether current entry is an array or an object.

### 説明

public bool RecursiveArrayIterator::hasChildren ( void )

Returns whether current entry is an array or an object for which an iterator can be obtained via RecursiveArrayIterator::getChildren.

### パラメータ

この関数にはパラメータはありません。

### 返り値

Returns `TRUE` if the current entry is an array or an object, otherwise `FALSE` is returned.

### 例

例1 RecursiveArrayIterator::hasChildren() example

`<?php
$fruits = array("a" => "lemon", "b" => "orange", array("a" => "apple", "p" => "pear"));
$iterator = new RecursiveArrayIterator($fruits);
while ($iterator->valid()) {
// Check if there are children
if ($iterator->hasChildren()) {
// print all children
foreach ($iterator->getChildren() as $key => $value) {
echo $key . ' : ' . $value . "\n";
}
} else {
echo "No children.\n";
}
$iterator->next();
}
?>`

上の例の出力は以下となります。

    No children.
    No children.
    a : apple
    p : pear

### 参考

- RecursiveArrayIterator::getChildren() - Returns an iterator for the current entry if it is an array or an object.

RecursiveArrayIterator::getChildren
RecursiveCachingIterator
RecursiveArrayIterator
PHP Manual