(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 ?>
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