SimpleXMLIterator::rewind()

(PHP 5, PHP 7)

Rewind to the first element

说明

publicSimpleXMLIterator::rewind(void): void

This method rewinds the SimpleXMLIterator to the first element.

参数

此函数没有参数。

返回值

没有返回值。

范例

Example #1 Rewind to the first element

<?php
$xmlIterator = new SimpleXMLIterator('<books><book>PHP Basics</book><book>XML Basics</book></books>');
$xmlIterator->rewind();
var_dump($xmlIterator->current());
?>

以上例程会输出：

object(SimpleXMLIterator)#2 (1) {
  [0]=>
  string(10) "PHP Basics"
}