541 lines
19 KiB
PHP
541 lines
19 KiB
PHP
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<?php
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namespace Icamys\SitemapGenerator;
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class SitemapGenerator
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{
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const MAX_FILE_SIZE = 10485760;
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const MAX_URLS_PER_SITEMAP = 50000;
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const URL_PARAM_LOC = 0;
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const URL_PARAM_LASTMOD = 1;
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const URL_PARAM_CHANGEFREQ = 2;
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const URL_PARAM_PRIORITY = 3;
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/**
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* Name of sitemap file
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* @var string
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* @access public
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*/
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public $sitemapFileName = "sitemap.xml";
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/**
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* Name of sitemap index file
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* @var string
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* @access public
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*/
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public $sitemapIndexFileName = "sitemap-index.xml";
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/**
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* Robots file name
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* @var string
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* @access public
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*/
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public $robotsFileName = "robots.txt";
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/**
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* Quantity of URLs per single sitemap file.
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* According to specification max value is 50.000.
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* If Your links are very long, sitemap file can be bigger than 10MB,
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* in this case use smaller value.
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* @var int
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* @access public
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*/
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public $maxURLsPerSitemap = self::MAX_URLS_PER_SITEMAP;
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/**
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* Quantity of sitemaps per index file.
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* According to specification max value is 50.000
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* If Your index file is very long, index file can be bigger than 10MB,
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* in this case use smaller value.
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* @see http://www.sitemaps.org/protocol.html
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* @var int
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* @access public
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*/
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public $maxSitemaps = 50000;
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/**
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* If true, two sitemap files (.xml and .xml.gz) will be created and added to robots.txt.
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* If true, .gz file will be submitted to search engines.
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* If quantity of URLs will be bigger than 50.000, option will be ignored,
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* all sitemap files except sitemap index will be compressed.
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* @var bool
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* @access public
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*/
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public $createGZipFile = false;
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/**
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* URL to Your site.
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* Script will use it to send sitemaps to search engines.
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* @var string
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* @access private
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*/
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private $baseURL;
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/**
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* Base path. Relative to script location.
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* Use this if Your sitemap and robots files should be stored in other
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* directory then script.
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* @var string
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* @access private
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*/
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private $basePath;
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/**
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* Version of this class
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* @var string
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* @access private
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*/
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private $classVersion = "1.0.0";
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/**
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* Search engines URLs
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* @var array of strings
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* @access private
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*/
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private $searchEngines = array(
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array(
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"http://search.yahooapis.com/SiteExplorerService/V1/updateNotification?appid=USERID&url=",
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"http://search.yahooapis.com/SiteExplorerService/V1/ping?sitemap="
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),
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"http://www.google.com/webmasters/tools/ping?sitemap=",
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"http://submissions.ask.com/ping?sitemap=",
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"http://www.bing.com/webmaster/ping.aspx?siteMap="
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);
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/**
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* Array with urls
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* @var \SplFixedArray of strings
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* @access private
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*/
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private $urls;
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/**
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* Array with sitemap
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* @var array of strings
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* @access private
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*/
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private $sitemaps;
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/**
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* Array with sitemap index
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* @var array of strings
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* @access private
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*/
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private $sitemapIndex;
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/**
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* Current sitemap full URL
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* @var string
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* @access private
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*/
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private $sitemapFullURL;
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/**
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* @var \DOMDocument
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*/
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private $document;
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/**
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* Constructor.
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* @param string $baseURL You site URL, with / at the end.
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* @param string|null $basePath Relative path where sitemap and robots should be stored.
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*/
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public function __construct($baseURL, $basePath = "")
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{
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$this->urls = new \SplFixedArray();
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$this->baseURL = $baseURL;
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$this->basePath = $basePath;
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$this->document = new \DOMDocument("1.0");
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$this->document->preserveWhiteSpace = false;
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$this->document->formatOutput = true;
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}
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/**
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* Use this to add many URL at one time.
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* Each inside array can have 1 to 4 fields.
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* @param $urlsArray
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* @throws \InvalidArgumentException
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*/
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public function addUrls($urlsArray)
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{
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if (!is_array($urlsArray)) {
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throw new \InvalidArgumentException("Array as argument should be given.");
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}
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foreach ($urlsArray as $url) {
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$this->addUrl(
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isset($url[0]) ? $url[0] : null,
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isset($url[1]) ? $url[1] : null,
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isset($url[2]) ? $url[2] : null,
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isset($url[3]) ? $url[3] : null
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);
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}
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}
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/**
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* Use this to add single URL to sitemap.
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* @param string $url URL
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* @param \DateTime $lastModified When it was modified, use ISO 8601
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* @param string $changeFrequency How often search engines should revisit this URL
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* @param string $priority Priority of URL on You site
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* @see http://en.wikipedia.org/wiki/ISO_8601
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* @see http://php.net/manual/en/function.date.php
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* @throws \InvalidArgumentException
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*/
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public function addUrl($url, \DateTime $lastModified = null, $changeFrequency = null, $priority = null)
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{
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if ($url == null) {
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throw new \InvalidArgumentException("URL is mandatory. At least one argument should be given.");
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}
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$urlLength = extension_loaded('mbstring') ? mb_strlen($url) : strlen($url);
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if ($urlLength > 2048) {
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throw new \InvalidArgumentException(
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"URL length can't be bigger than 2048 characters.
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Note, that precise url length check is guaranteed only using mb_string extension.
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Make sure Your server allow to use mbstring extension."
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);
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}
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$tmp = new \SplFixedArray(1);
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$tmp[self::URL_PARAM_LOC] = $url;
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if (isset($lastModified)) {
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$tmp->setSize(2);
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$tmp[self::URL_PARAM_LASTMOD] = $lastModified->format(\DateTime::ATOM);
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}
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if (isset($changeFrequency)) {
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$tmp->setSize(3);
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$tmp[self::URL_PARAM_CHANGEFREQ] = $changeFrequency;
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}
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if (isset($priority)) {
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$tmp->setSize(4);
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$tmp[self::URL_PARAM_PRIORITY] = $priority;
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}
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if ($this->urls->getSize() === 0) {
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$this->urls->setSize(1);
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} else {
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if ($this->urls->getSize() === $this->urls->key()) {
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$this->urls->setSize($this->urls->getSize() * 2);
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}
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}
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$this->urls[$this->urls->key()] = $tmp;
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$this->urls->next();
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}
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/**
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* @throws \BadMethodCallException
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* @throws \InvalidArgumentException
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* @throws \LengthException
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*/
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public function createSitemap()
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{
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if (!isset($this->urls)) {
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throw new \BadMethodCallException("To create sitemap, call addUrl or addUrls function first.");
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}
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if ($this->maxURLsPerSitemap > self::MAX_URLS_PER_SITEMAP) {
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throw new \InvalidArgumentException(
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"More than " . self::MAX_URLS_PER_SITEMAP . " URLs per single sitemap is not allowed."
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);
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}
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$generatorInfo = '<!-- generated-on="' . date('c') . '" -->';
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$sitemapHeader = '<?xml version="1.0" encoding="UTF-8"?>' . $generatorInfo . '
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<urlset
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"' . "\r\n" . '
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xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9' . "\n" . '
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http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"' . "\n" . '
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xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
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</urlset>';
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$sitemapIndexHeader = '<?xml version="1.0" encoding="UTF-8"?>' . $generatorInfo . '
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<sitemapindex
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9
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http://www.sitemaps.org/schemas/sitemap/0.9/siteindex.xsd"
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xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
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</sitemapindex>';
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$nullUrls = 0;
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foreach ($this->urls as $url) {
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if (is_null($url)) {
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$nullUrls++;
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}
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}
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$nonEmptyUrls = $this->urls->getSize() - $nullUrls;
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$chunks = ceil($nonEmptyUrls / $this->maxURLsPerSitemap);
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for ($chunkCounter = 0; $chunkCounter < $chunks; $chunkCounter++) {
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$xml = new \SimpleXMLElement($sitemapHeader);
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for ($urlCounter = $chunkCounter * $this->maxURLsPerSitemap;
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$urlCounter < ($chunkCounter + 1) * $this->maxURLsPerSitemap && $urlCounter < $nonEmptyUrls;
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$urlCounter++
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) {
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$row = $xml->addChild('url');
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$row->addChild(
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'loc',
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htmlspecialchars($this->baseURL . $this->urls[$urlCounter][self::URL_PARAM_LOC], ENT_QUOTES, 'UTF-8')
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);
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if ($this->urls[$urlCounter]->getSize() > 1) {
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$row->addChild('lastmod', $this->urls[$urlCounter][self::URL_PARAM_LASTMOD]);
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}
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if ($this->urls[$urlCounter]->getSize() > 2) {
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$row->addChild('changefreq', $this->urls[$urlCounter][self::URL_PARAM_CHANGEFREQ]);
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}
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if ($this->urls[$urlCounter]->getSize() > 3) {
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$row->addChild('priority', $this->urls[$urlCounter][self::URL_PARAM_PRIORITY]);
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}
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}
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if (strlen($xml->asXML()) > self::MAX_FILE_SIZE) {
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throw new \LengthException(
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"Sitemap size equals to " . strlen($xml->asXML())
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. " bytes is more than 10MB (" . self::MAX_FILE_SIZE . " bytes),
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please decrease maxURLsPerSitemap variable."
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);
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}
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$this->sitemaps[] = $xml->asXML();
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}
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if (count($this->sitemaps) > $this->maxSitemaps) {
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throw new \LengthException(
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"Sitemap index can contain {$this->maxSitemaps} sitemaps.
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Perhaps You trying to submit too many maps."
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);
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}
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if (count($this->sitemaps) > 1) {
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for ($i = 0; $i < count($this->sitemaps); $i++) {
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$this->sitemaps[$i] = array(
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str_replace(".xml", ($i + 1) . ".xml", $this->sitemapFileName),
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$this->sitemaps[$i]
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);
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}
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$xml = new \SimpleXMLElement($sitemapIndexHeader);
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foreach ($this->sitemaps as $sitemap) {
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$row = $xml->addChild('sitemap');
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$row->addChild('loc', $this->baseURL . "/" . $this->getSitemapFileName(htmlentities($sitemap[0])));
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$row->addChild('lastmod', date('c'));
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}
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$this->sitemapFullURL = $this->baseURL . "/" . $this->sitemapIndexFileName;
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$this->sitemapIndex = array(
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$this->sitemapIndexFileName,
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$xml->asXML()
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);
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} else {
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$this->sitemapFullURL = $this->baseURL . "/" . $this->getSitemapFileName();
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$this->sitemaps[0] = array(
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$this->sitemapFileName,
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$this->sitemaps[0]
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);
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}
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}
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||
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||
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||
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/**
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||
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* Returns created sitemaps as array of strings.
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||
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* Use it You want to work with sitemap without saving it as files.
|
||
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* @return array of strings
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||
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* @access public
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||
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*/
|
||
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public function toArray()
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{
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if (isset($this->sitemapIndex)) {
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return array_merge(array($this->sitemapIndex), $this->sitemaps);
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} else {
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return $this->sitemaps;
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}
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}
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||
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||
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/**
|
||
|
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* Will write sitemaps as files.
|
||
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* @access public
|
||
|
|
* @throws \BadMethodCallException
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||
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*/
|
||
|
|
public function writeSitemap()
|
||
|
|
{
|
||
|
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if (!isset($this->sitemaps)) {
|
||
|
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throw new \BadMethodCallException("To write sitemap, call createSitemap function first.");
|
||
|
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}
|
||
|
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if (isset($this->sitemapIndex)) {
|
||
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$this->document->loadXML($this->sitemapIndex[1]);
|
||
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$this->writeFile($this->document->saveXML(), $this->basePath, $this->sitemapIndex[0], true);
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||
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foreach ($this->sitemaps as $sitemap) {
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||
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$this->writeFile($sitemap[1], $this->basePath, $sitemap[0]);
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||
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}
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||
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} else {
|
||
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$this->document->loadXML($this->sitemaps[0][1]);
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||
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$this->writeFile($this->document->saveXML(), $this->basePath, $this->sitemaps[0][0], true);
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||
|
|
$this->writeFile($this->sitemaps[0][1], $this->basePath, $this->sitemaps[0][0]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
private function getSitemapFileName($name = null)
|
||
|
|
{
|
||
|
|
if (!$name) {
|
||
|
|
$name = $this->sitemapFileName;
|
||
|
|
}
|
||
|
|
if ($this->createGZipFile) {
|
||
|
|
$name .= ".gz";
|
||
|
|
}
|
||
|
|
return $name;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Save file.
|
||
|
|
* @param string $content
|
||
|
|
* @param string $filePath
|
||
|
|
* @param string $fileName
|
||
|
|
* @param bool $noGzip
|
||
|
|
* @return bool
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function writeFile($content, $filePath, $fileName, $noGzip = false)
|
||
|
|
{
|
||
|
|
if (!$noGzip && $this->createGZipFile) {
|
||
|
|
return $this->writeGZipFile($content, $filePath, $fileName);
|
||
|
|
}
|
||
|
|
$file = fopen($filePath . $fileName, 'w');
|
||
|
|
fwrite($file, $content);
|
||
|
|
return fclose($file);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Save GZipped file.
|
||
|
|
* @param string $content
|
||
|
|
* @param string $filePath
|
||
|
|
* @param string $fileName
|
||
|
|
* @return bool
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
private function writeGZipFile($content, $filePath, $fileName)
|
||
|
|
{
|
||
|
|
$fileName .= '.gz';
|
||
|
|
$file = gzopen($filePath . $fileName, 'w');
|
||
|
|
gzwrite($file, $content);
|
||
|
|
return gzclose($file);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* If robots.txt file exist, will update information about newly created sitemaps.
|
||
|
|
* If there is no robots.txt will, create one and put into it information about sitemaps.
|
||
|
|
* @access public
|
||
|
|
* @throws \BadMethodCallException
|
||
|
|
*/
|
||
|
|
public function updateRobots()
|
||
|
|
{
|
||
|
|
if (!isset($this->sitemaps)) {
|
||
|
|
throw new \BadMethodCallException("To update robots.txt, call createSitemap function first.");
|
||
|
|
}
|
||
|
|
$sampleRobotsFile = "User-agent: *\nAllow: /";
|
||
|
|
if (file_exists($this->basePath . $this->robotsFileName)) {
|
||
|
|
$robotsFile = explode("\n", file_get_contents($this->basePath . $this->robotsFileName));
|
||
|
|
$robotsFileContent = "";
|
||
|
|
foreach ($robotsFile as $key => $value) {
|
||
|
|
if (substr($value, 0, 8) == 'Sitemap:') {
|
||
|
|
unset($robotsFile[$key]);
|
||
|
|
} else {
|
||
|
|
$robotsFileContent .= $value . "\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$robotsFileContent .= "Sitemap: $this->sitemapFullURL";
|
||
|
|
if (!isset($this->sitemapIndex)) {
|
||
|
|
$robotsFileContent .= "\nSitemap: " . $this->getSitemapFileName($this->sitemapFullURL);
|
||
|
|
}
|
||
|
|
file_put_contents($this->basePath . $this->robotsFileName, $robotsFileContent);
|
||
|
|
} else {
|
||
|
|
$sampleRobotsFile = $sampleRobotsFile . "\n\nSitemap: " . $this->sitemapFullURL;
|
||
|
|
if (!isset($this->sitemapIndex)) {
|
||
|
|
$sampleRobotsFile .= "\nSitemap: " . $this->getSitemapFileName($this->sitemapFullURL);
|
||
|
|
}
|
||
|
|
file_put_contents($this->basePath . $this->robotsFileName, $sampleRobotsFile);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Will inform search engines about newly created sitemaps.
|
||
|
|
* Google, Ask, Bing and Yahoo will be noticed.
|
||
|
|
* If You don't pass yahooAppId, Yahoo still will be informed,
|
||
|
|
* but this method can be used once per day. If You will do this often,
|
||
|
|
* message that limit was exceeded will be returned from Yahoo.
|
||
|
|
* @param string $yahooAppId Your site Yahoo appid.
|
||
|
|
* @return array of messages and http codes from each search engine
|
||
|
|
* @access public
|
||
|
|
* @throws \BadMethodCallException
|
||
|
|
*/
|
||
|
|
public function submitSitemap($yahooAppId = null)
|
||
|
|
{
|
||
|
|
if (!isset($this->sitemaps)) {
|
||
|
|
throw new \BadMethodCallException("To submit sitemap, call createSitemap function first.");
|
||
|
|
}
|
||
|
|
if (!extension_loaded('curl')) {
|
||
|
|
throw new \BadMethodCallException("cURL library is needed to do submission.");
|
||
|
|
}
|
||
|
|
$searchEngines = $this->searchEngines;
|
||
|
|
$searchEngines[0] = isset($yahooAppId) ?
|
||
|
|
str_replace("USERID", $yahooAppId, $searchEngines[0][0]) :
|
||
|
|
$searchEngines[0][1];
|
||
|
|
$result = array();
|
||
|
|
for ($i = 0; $i < count($searchEngines); $i++) {
|
||
|
|
$submitSite = curl_init($searchEngines[$i] . htmlspecialchars($this->sitemapFullURL, ENT_QUOTES, 'UTF-8'));
|
||
|
|
curl_setopt($submitSite, CURLOPT_RETURNTRANSFER, true);
|
||
|
|
$responseContent = curl_exec($submitSite);
|
||
|
|
$response = curl_getinfo($submitSite);
|
||
|
|
$submitSiteShort = array_reverse(explode(".", parse_url($searchEngines[$i], PHP_URL_HOST)));
|
||
|
|
$result[] = array(
|
||
|
|
"site" => $submitSiteShort[1] . "." . $submitSiteShort[0],
|
||
|
|
"fullsite" => $searchEngines[$i] . htmlspecialchars($this->sitemapFullURL, ENT_QUOTES, 'UTF-8'),
|
||
|
|
"http_code" => $response['http_code'],
|
||
|
|
"message" => str_replace("\n", " ", strip_tags($responseContent))
|
||
|
|
);
|
||
|
|
}
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns array of URLs
|
||
|
|
*
|
||
|
|
* Converts internal SplFixedArray to array
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getUrls()
|
||
|
|
{
|
||
|
|
$urls = $this->urls->toArray();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @var int $key
|
||
|
|
* @var \SplFixedArray $urlSplArr
|
||
|
|
*/
|
||
|
|
foreach ($urls as $key => $urlSplArr) {
|
||
|
|
if (!is_null($urlSplArr)) {
|
||
|
|
$urlArr = $urlSplArr->toArray();
|
||
|
|
$url = [];
|
||
|
|
foreach ($urlArr as $paramIndex => $paramValue) {
|
||
|
|
switch ($paramIndex) {
|
||
|
|
case static::URL_PARAM_LOC:
|
||
|
|
$url['loc'] = $paramValue;
|
||
|
|
break;
|
||
|
|
case static::URL_PARAM_CHANGEFREQ:
|
||
|
|
$url['changefreq'] = $paramValue;
|
||
|
|
break;
|
||
|
|
case static::URL_PARAM_LASTMOD:
|
||
|
|
$url['lastmod'] = $paramValue;
|
||
|
|
break;
|
||
|
|
case static::URL_PARAM_PRIORITY:
|
||
|
|
$url['priority'] = $paramValue;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$urls[$key] = $url;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $urls;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function countUrls()
|
||
|
|
{
|
||
|
|
return $this->urls->getSize();
|
||
|
|
}
|
||
|
|
}
|