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--TEST--
SPL: RecursiveIteratorIterator::getSubIterator() with explicit level parameter
--CREDITS--
Matt Raines matt@raines.me.uk
#testfest London 2009-05-09
--FILE--
<?php
$sample_array = array(1, 2, array(3, 4));
$iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($sample_array));
$iterator->next();
$iterator->next();
$iterator->next();
var_dump($iterator->getSubIterator(-1));
var_dump($iterator->getSubIterator(0)->getArrayCopy());
var_dump($iterator->getSubIterator(1)->getArrayCopy());
var_dump($iterator->getSubIterator(2));
?>
--EXPECT--
NULL
array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
array(2) {
[0]=>
int(3)
[1]=>
int(4)
}
}
array(2) {
[0]=>
int(3)
[1]=>
int(4)
}
NULL
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