RecursiveArrayIterator::hasChildren

(PHP 5 >= 5.1.0)

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

설명

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().

인수

이 함수는 인수가 없습니다.

반환값

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

예제

Example #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();
}
?>

위 예제의 출력:

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

참고

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