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(PHP 5 >= 5.1.0, PHP 7, PHP 8)
AppendIterator::getInnerIterator — Gets the inner iterator
This method returns the current inner iterator.
此函数没有参数。
The current inner iterator, or null if there is not one.
示例 #1 AppendIterator::getInnerIterator() example
<?php
$array_a = new ArrayIterator(array('a' => 'aardwolf', 'b' => 'bear', 'c' => 'capybara'));
$array_b = new RegexIterator($array_a, '/^[ac]/');
$iterator = new AppendIterator;
$iterator->append($array_a);
$iterator->append($array_b);
foreach ($iterator as $current) {
$inner = $iterator->getInnerIterator();
if ($inner instanceOf RegexIterator) {
echo 'Filtered: ';
} else {
echo 'Original: ';
}
echo $current . PHP_EOL;
}
?>
以上例程会输出：
Original: aardwolf Original: bear Original: capybara Filtered: aardwolf Filtered: capybara
