Php/docs/simplexmliterator.rewind

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SimpleXMLIterator::rewind

(PHP 5, PHP 7)

SimpleXMLIterator::rewindRewind to the first element


说明

public SimpleXMLIterator::rewind ( ) : 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"
}