Php/docs/appenditerator.getinneriterator
AppendIterator::getInnerIterator
(PHP 5 >= 5.1.0, PHP 7)
AppendIterator::getInnerIterator — Gets the inner iterator
说明
public AppendIterator::getInnerIterator ( ) : Iterator
This method returns the current inner iterator.
参数
此函数没有参数。
返回值
The current inner iterator, or null if there is not one.
范例
Example #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
