LimitIterator::getPosition()
(PHP 5>=5.1.0,PHP 7)
Return the current position
说明
public LimitIterator::getPosition(void) : int
Gets the current zero-based position of the innerIterator.
参数
此函数没有参数。
返回值
The current position.
范例
Example#1LimitIterator::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
参见
- FilterIterator::key() Get the current key