SimpleXMLIterator::valid

(PHP 5 >= 5.1.0, PHP 7)

Check whether the current element is valid

public bool SimpleXMLIterator::valid ( void )

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

Returns:

Returns TRUE if the current element is valid, otherwise FALSE

Examples:

Check whether the current element is valid

<?php
$xmlIterator = new SimpleXMLIterator('<books><book>SQL Basics</book></books>');
 
$xmlIterator->rewind(); // rewind to the first element
echo var_dump($xmlIterator->valid()); // bool(true)
 
$xmlIterator->next(); // advance to the next element
echo var_dump($xmlIterator->valid()); // bool(false) because there is only one element
?>

Links:

http://php.net/manual/en/simplexmliterator.valid.php

doc_php

2025-01-10 15:47:30

Comments