valid ()

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

Access

public

Returns

Type

Description

boolean

Returns TRUE if the current element is valid, otherwise FALSE

Examples

Check whether the current element is valid

$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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