InfiniteIterator::__construct()

(PHP 5>=5.1.0,PHP 7)

Constructs an InfiniteIterator

说明

publicInfiniteIterator::__construct(Iterator$iterator)

Constructs anInfiniteIteratorfrom anIterator.

参数

$iterator

The iterator to infinitely iterate over.

返回值

没有返回值。

错误／异常

Throws anE_RECOVERABLE_ERRORif the$iteratorparameter is not anIterator.

范例

Example#1InfiniteIterator::__construct()example

<?php
$arrayit  = new ArrayIterator(array('cat','dog'));
$infinite = new InfiniteIterator($arrayit);
$limit    = new LimitIterator($infinite, 0, 7);
foreach($limit as $value)
{
    echo "$value\n";
}
?>

以上例程会输出：

cat
dog
cat
dog
cat
dog
cat

参见

• InfiniteIterator::next() Moves the inner Iterator forward or rewinds it