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RecursiveArrayIterator::hasChildren

(PHP 5 >= 5.1.0)

RecursiveArrayIterator::hasChildrenReturns whether current entry is an array or an object.

Beschreibung

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().

Parameter-Liste

Diese Funktion hat keine Parameter.

R├╝ckgabewerte

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

Beispiele

Beispiel #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();
}
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

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

Siehe auch

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