(PHP 5 >= 5.1.0, PHP 7)
LimitIterator::__construct — Construct a LimitIterator
Constructs a new LimitIterator from an
iterator with a given starting
offset and maximum count.
iteratorThe Iterator to limit.
offsetOptional offset of the limit.
countOptional count of the limit.
The new LimitIterator.
Throws an OutOfRangeException
if the offset is less than 0
or the count is less than -1.
Example #1 LimitIterator::__construct() example
<?php
$ait = new ArrayIterator(array('a', 'b', 'c', 'd', 'e'));
$lit = new LimitIterator($ait, 1, 3);
foreach ($lit as $value) {
echo $value . "\n";
}
?>
以上例程会输出：
b c d