SimpleXMLElement::valid

Check whether the current element is valid

Description

public bool SimpleXMLElement::valid()

Warning

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.

Parameters

This function has no parameters.

Return Values

Returns true if the current element is valid, otherwise false

Examples

Example #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
?>