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This document uses PHP Chinese website manual Release
(PHP 5)
CachingIterator::hasNext — Check whether the inner iterator has a valid next element
本函数还未编写文档,仅有参数列表。
此函数没有参数。
成功时返回 TRUE
, 或者在失败时返回 FALSE
。
[#1] andresdzphp at php dot net [2011-09-26 13:08:17]
CachingIterator::hasNext Example
<?php
$ait = new ArrayIterator(array('Value 1', 'Value 2', 'Value 3', 'Value 4'));
$cit = new CachingIterator($ait);
foreach ($cit as $value) {
echo $value;
//if has a next value, print a comma
if ($cit->hasNext()) {
echo ', ';
}
}
?>
Result: Value 1, Value 2, Value 3, Value 4