SimpleXMLElement::hasChildren

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SimpleXMLElement::hasChildrenChecks whether the current element has sub elements

Descrizione

public SimpleXMLElement::hasChildren(): bool
Avviso

Prior to PHP 8.0, SimpleXMLElement::hasChildren() was only declared on the subclass SimpleXMLIterator.

This method checks whether the current SimpleXMLElement element has sub-elements.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

true if the current element has sub-elements, otherwise false

Esempi

Example #1 Check whether the current element has sub-elements

<?php
$xml
= <<<XML
<books>
<book>
<title>PHP Basics</title>
<author>Jim Smith</author>
</book>
<book>XML basics</book>
</books>
XML;

$xmlElement = new SimpleXMLElement($xml);
for (
$xmlElement->rewind(); $xmlElement->valid(); $xmlElement->next()) {
if (
$xmlElement->hasChildren()) {
var_dump($xmlElement->current());
}
}
?>

Il precedente esempio visualizzerĂ :

object(SimpleXMLElement)#2 (2) {
  ["title"]=>
  string(10) "PHP Basics"
  ["author"]=>
  string(9) "Jim Smith"
}

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