235 lines
8.0 KiB
PHP
235 lines
8.0 KiB
PHP
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<?php
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/**
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* @Descripttion : FOXCMS 是一款高效的 PHP 多端跨平台内容管理系统
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* @Author : FoxCMS Team
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* @Date : 2023/6/26 19:07
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* @version : V1.08
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* @copyright : ©2021-现在 贵州黔狐科技股份有限公司 版权所有
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* @LastEditTime : 2023/6/26 19:07
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*/
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namespace app\common\util;
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class SitemapXmlUtil
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{
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private $writer; // XMLWriter对象
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private $domain = ""; // 网站地图根域名
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private $xmlFile = "sitemap"; // 网站地图xml文件（不含后缀.xml）
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private $xmlFileFolder = ""; // 网站地图xml文件夹
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private $currXmlFileFullPath = ""; // 网站地图xml文件当前全路径
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private $isSchemaMore = true; // 网站地图是否添加额外的schema
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private $current_item = 0; // 网站地图item个数（序号）
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private $current_sitemap = 0; // 网站地图的个数（序号）
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const SCHEMA_XMLNS = 'http://www.sitemaps.org/schemas/sitemap/0.9';
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const SCHEMA_XMLNS_XSI = 'http://www.w3.org/2001/XMLSchema-instance';
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const SCHEMA_XSI_SCHEMALOCATION = 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd';
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const DEFAULT_PRIORITY = 0.5;
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const SITEMAP_ITEMS = 50000;
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const SITEMAP_SEPERATOR = '-';
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const INDEX_SUFFIX = 'index';
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const SITEMAP_EXT = '.xml';
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/**
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* @param string $domain ： 初始化网站地图根域名
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*/
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public function __construct($domain)
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{
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$this->setDomain($domain);
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}
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/**
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* 设置网站地图根域名，开头用 http:// or https://, 结尾不要反斜杠/
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* @param string $domain ： 网站地图根域名 <br>例如: http://mimvp.com
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*/
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public function setDomain($domain)
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{
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if (substr($domain, -1) == "/") {
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$domain = substr($domain, 0, strlen($domain) - 1);
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}
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$this->domain = $domain;
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return $this;
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}
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// 返回网站根域名
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private function getDomain()
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{
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return $this->domain;
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}
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// 设置网站地图的xml文件名
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public function setXmlFile($xmlFile)
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{
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$base = basename($xmlFile);
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$dir = dirname($xmlFile);
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if (!is_dir($dir)) {
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$res = mkdir(iconv("UTF-8", "GBK", $dir), 0777, true);
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if ($res) {
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echo "mkdir $dir success";
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} else {
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echo "mkdir $dir fail.";
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}
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}
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$this->xmlFile = $xmlFile;
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return $this;
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}
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// 返回网站地图的xml文件名
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private function getXmlFile()
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{
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return $this->xmlFile;
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}
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public function setIsChemaMore($isSchemaMore)
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{
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$this->isSchemaMore = $isSchemaMore;
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}
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private function getIsSchemaMore()
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{
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return $this->isSchemaMore;
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}
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// 设置XMLWriter对象
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private function setWriter(\XMLWriter $writer)
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{
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$this->writer = $writer;
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}
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// 返回XMLWriter对象
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private function getWriter()
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{
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return $this->writer;
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}
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// 返回网站地图的当前item
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private function getCurrentItem()
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{
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return $this->current_item;
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}
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// 设置网站地图的item个数加1
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private function incCurrentItem()
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{
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$this->current_item = $this->current_item + 1;
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}
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// 返回当前网站地图（默认50000个item则新建一个网站地图）
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private function getCurrentSitemap()
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{
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return $this->current_sitemap;
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}
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// 设置网站地图个数加1
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private function incCurrentSitemap()
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{
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$this->current_sitemap = $this->current_sitemap + 1;
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}
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private function getXMLFileFullPath()
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{
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$xmlfileFullPath = "";
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if ($this->getCurrentSitemap()) {
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$xmlfileFullPath = $this->getXmlFile() . self::SITEMAP_SEPERATOR . $this->getCurrentSitemap() . self::SITEMAP_EXT; // 第n个网站地图xml文件名 + -n + 后缀.xml
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} else {
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$xmlfileFullPath = $this->getXmlFile() . self::SITEMAP_EXT; // 第一个网站地图xml文件名 + 后缀.xml
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}
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$this->setCurrXmlFileFullPath($xmlfileFullPath); // 保存当前xml文件全路径
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return $xmlfileFullPath;
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}
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public function getCurrXmlFileFullPath()
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{
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return $this->currXmlFileFullPath;
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}
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private function setCurrXmlFileFullPath($currXmlFileFullPath)
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{
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$this->currXmlFileFullPath = $currXmlFileFullPath;
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}
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private function startSitemap()
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{
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$this->setWriter(new \XMLWriter());
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$this->getWriter()->openURI($this->getXMLFileFullPath()); // 获取xml文件全路径
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$this->getWriter()->startDocument('1.0', 'UTF-8');
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$this->getWriter()->setIndentString("\t");
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$this->getWriter()->setIndent(true);
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$this->getWriter()->startElement('urlset');
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if ($this->getIsSchemaMore()) {
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$this->getWriter()->writeAttribute('xmlns:xsi', self::SCHEMA_XMLNS_XSI);
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$this->getWriter()->writeAttribute('xsi:schemaLocation', self::SCHEMA_XSI_SCHEMALOCATION);
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}
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$this->getWriter()->writeAttribute('xmlns', self::SCHEMA_XMLNS);
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}
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// 写入item元素，url、loc、priority字段必选，changefreq、lastmod可选
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public function addItem($loc, $priority = self::DEFAULT_PRIORITY, $changefreq = NULL, $lastmod = NULL)
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{
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if (($this->getCurrentItem() % self::SITEMAP_ITEMS) == 0) {
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if ($this->getWriter() instanceof \XMLWriter) {
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$this->endSitemap();
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}
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$this->startSitemap();
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$this->incCurrentSitemap();
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}
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$this->incCurrentItem();
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$this->getWriter()->startElement('url');
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$this->getWriter()->writeElement('loc', $loc); // 必选
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$this->getWriter()->writeElement('priority', $priority); // 必选
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if ($changefreq) {
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$this->getWriter()->writeElement('changefreq', $changefreq); // 可选
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}
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if ($lastmod) {
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$this->getWriter()->writeElement('lastmod', $this->getLastModifiedDate($lastmod)); // 可选
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}
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$this->getWriter()->endElement();
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return $this;
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}
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// 转义时间格式，返回时间格式为 2021-09-12
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private function getLastModifiedDate($date = null)
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{
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if (null == $date) {
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$date = time();
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}
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if (ctype_digit($date)) {
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return date('Y-m-d', $date); // Y-m-d
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} else {
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$date = strtotime($date);
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return date('Y-m-d', $date);
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}
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}
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// 结束网站xml文档，配合开始xml文档使用
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public function endSitemap()
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{
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if (!$this->getWriter()) {
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$this->startSitemap();
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}
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$this->getWriter()->endElement();
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$this->getWriter()->endDocument();
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$this->getWriter()->flush();
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}
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public function createSitemapIndex($loc, $lastmod = 'Today')
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{
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$indexwriter = new XMLWriter();
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$indexwriter->openURI($this->getXmlFile() . self::SITEMAP_SEPERATOR . self::INDEX_SUFFIX . self::SITEMAP_EXT);
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$indexwriter->startDocument('1.0', 'UTF-8');
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$indexwriter->setIndent(true);
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$indexwriter->startElement('sitemapindex');
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$indexwriter->writeAttribute('xmlns:xsi', self::SCHEMA_XMLNS_XSI);
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$indexwriter->writeAttribute('xsi:schemaLocation', self::SCHEMA_XSI_SCHEMALOCATION);
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$indexwriter->writeAttribute('xmlns', self::SCHEMA_XMLNS);
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for ($index = 0; $index < $this->getCurrentSitemap(); $index++) {
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$indexwriter->startElement('sitemap');
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$indexwriter->writeElement('loc', $loc . $this->getFilename() . ($index ? self::SITEMAP_SEPERATOR . $index : '') . self::SITEMAP_EXT);
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$indexwriter->writeElement('lastmod', $this->getLastModifiedDate($lastmod));
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$indexwriter->endElement();
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}
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$indexwriter->endElement();
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$indexwriter->endDocument();
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}
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}
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