Php/docs/domdocument.getelementsbytagname
来自菜鸟教程
DOMDocument::getElementsByTagName
(PHP 5, PHP 7)
DOMDocument::getElementsByTagName — Searches for all elements with given local tag name
说明
public DOMDocument::getElementsByTagName
( string $name
) : DOMNodeList
This function returns a new instance of class DOMNodeList containing all the elements with a given local tag name.
参数
name- The local name (without namespace) of the tag to match on. The special value
*matches all tags.
范例
Example #1 Basic Usage Example
<?php$xml = <<< XML<?xml version="1.0" encoding="utf-8"?><books> <book>Patterns of Enterprise Application Architecture</book> <book>Design Patterns: Elements of Reusable Software Design</book> <book>Clean Code</book></books>XML;$dom = new DOMDocument;$dom->loadXML($xml);$books = $dom->getElementsByTagName('book');foreach ($books as $book) { echo $book->nodeValue, PHP_EOL;}?>
以上例程会输出：
Patterns of Enterprise Application Architecture Design Patterns: Elements of Reusable Software Design Clean Code
参见
- DOMDocument::getElementsByTagNameNS() - Searches for all elements with given tag name in specified namespace
