SimpleXMLElement::rewind

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SimpleXMLElement::rewindRewind to the first element

说明

public SimpleXMLElement::rewind(): void
警告

Prior to PHP 8.0, SimpleXMLElement::rewind() was only declared on the subclass SimpleXMLIterator.

This method rewinds the SimpleXMLElement to the first element.

参数

此函数没有参数。

返回值

没有返回值。

示例

示例 #1 Rewind to the first element

<?php
$xmlElement
= new SimpleXMLElement('<books><book>PHP Basics</book><book>XML Basics</book></books>');
$xmlElement->rewind();

var_dump($xmlElement->current());
?>

以上示例会输出:

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

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