(PHP 5 >= 5.1.0)
LimitIterator::getPosition — Return the current position
Gets the current zero-based position of the inner Iterator.
此函数没有参数。
The current position.
Example #1 LimitIterator::getPosition() example
<?php
$fruits = array(
'a' => 'apple',
'b' => 'banana',
'c' => 'cherry',
'd' => 'damson',
'e' => 'elderberry'
);
$array_it = new ArrayIterator($fruits);
$limit_it = new LimitIterator($array_it, 2, 3);
foreach ($limit_it as $item) {
echo $limit_it->getPosition() . ' ' . $item . "\n";
}
?>
以上例程会输出：
2 cherry 3 damson 4 elderberry