SimpleXMLIterator::next()
(PHP 5, PHP 7)
Move to next element
说明
public SimpleXMLIterator::next(void): void
This method moves the SimpleXMLIterator to the next element.
参数
此函数没有参数。
返回值
没有返回值。
范例
Example #1 Move to the next element
<?php $xmlIterator = new SimpleXMLIterator('<books><book>PHP Basics</book><book>XML basics</book></books>'); $xmlIterator->rewind(); // rewind to the first element $xmlIterator->next(); var_dump($xmlIterator->current()); ?>
以上例程会输出:
object(SimpleXMLIterator)#2 (1) { [0]=> string(10) "XML basics" }
<?php $note=<<<XML <note> <to>Afzall</to> <from>Sumon</from> <heading>Reminder</heading> <body>Don't forget go to kishorgong</body> </note> XML; $xmlIterator = new SimpleXMLIterator($note); $xmlIterator->rewind(); var_dump($xmlIterator->current()); $xmlIterator->next(); var_dump($xmlIterator->current()); $xmlIterator->next(); var_dump($xmlIterator->current()); ?> out put : object(SimpleXMLIterator)#2 (1) { [0]=> string(6) "Afzall" } object(SimpleXMLIterator)#2 (1) { [0]=> string(5) "Sumon" } object(SimpleXMLIterator)#2 (1) { [0]=> string(8) "Reminder" }