SimpleXMLElement::valid

(PHP 8)

SimpleXMLElement::valid — Check whether the current element is valid

Açıklama

public SimpleXMLElement::valid(): bool

Uyarı

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

This method checks if the current element is valid after calls to SimpleXMLElement::rewind() or SimpleXMLElement::next().

Bağımsız Değişkenler

Bu işlevin bağımsız değişkeni yoktur.

Dönen Değerler

Returns true if the current element is valid, otherwise false

Örnekler

Örnek 1 Check whether the current element is valid

<?php
$xmlElement = new SimpleXMLElement('<books><book>SQL Basics</book></books>');

$xmlElement->rewind(); // rewind to the first element
echo var_dump($xmlElement->valid()); // bool(true)

$xmlElement->next(); // advance to the next element
echo var_dump($xmlElement->valid()); // bool(false) because there is only one element
?>