InfiniteIterator::__construct

(PHP 5 >= 5.1.0)

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

Example #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

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