InfiniteIterator::__construct

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

InfiniteIterator::__construct — Constructs an InfiniteIterator

说明

public InfiniteIterator::__construct ( Iterator $iterator )

Constructs an InfiniteIterator from an Iterator.

参数

iterator

The iterator to infinitely iterate over.

返回值

没有返回值。

错误／异常

Throws an E_RECOVERABLE_ERROR if the iterator parameter is not an Iterator.

范例

示例 #1 InfiniteIterator::__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