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<?php |
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/*************************************************************************** |
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* For license information see doc/license.txt |
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* |
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* Generate sitemap.xml as specified by http://www.sitemaps.org |
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* And send ping to search engines |
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***************************************************************************/ |
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namespace OcLegacy\Util; |
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class SiteMapXml |
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{ |
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public $sDefaultChangeFreq = 'monthly'; |
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public $nMaxFileSize = 9961472; // max file size, 10MB by specification |
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public $nMaxUrlCount = 50000; // max number of URLs per file, 50000 by specification |
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public $sPath = ''; |
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public $sDomain = ''; |
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public $oIndexFile; |
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public $nSiteMapIndex = 0; |
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public $oSiteMapFile; |
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public $nWrittenSize = 0; |
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public $nWrittenCount = 0; |
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public function open($sPath, $sDomain) |
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{ |
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if (substr($sPath, - 1, 1) != '/') { |
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$sPath .= '/'; |
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} |
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if (substr($sDomain, - 1, 1) != '/') { |
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$sDomain .= '/'; |
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} |
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$this->sPath = $sPath; |
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$this->sDomain = $sDomain; |
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$this->oIndexFile = fopen($sPath . 'sitemap.xml', 'wb'); |
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if ($this->oIndexFile === false) { |
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return false; |
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} |
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fwrite($this->oIndexFile, '<?xml version="1.0" encoding="UTF-8"?>' . "\n"); |
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fwrite($this->oIndexFile, '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'); |
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} |
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/* sChaneFreq = {always, hourly, daily, weekly, monthly, yearly, never} |
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* nPriority = {0.0 to 1.0} |
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*/ |
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/** |
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* @param string $sFile |
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* @param integer $dLastMod |
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* @param string $sChangeFreq |
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* @param float $nPriority |
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*/ |
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public function write($sFile, $dLastMod, $sChangeFreq, $nPriority = 0.5) |
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{ |
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if (!$sChangeFreq) { |
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$sChangeFreq = $this->sDefaultChangeFreq; |
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} |
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$sXML = '<url>'; |
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$sXML .= '<loc>' . xmlentities($this->sDomain . $sFile) . '</loc>'; |
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$sXML .= '<lastmod>' . xmlentities(date('c', $dLastMod)) . '</lastmod>'; |
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$sXML .= '<changefreq>' . xmlentities($sChangeFreq) . '</changefreq>'; |
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$sXML .= '<priority>' . xmlentities($nPriority) . '</priority>'; |
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$sXML .= '</url>'."\n"; |
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$this->writeInternal($sXML); |
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} |
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/** |
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* @param string $str |
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*/ |
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public function writeInternal($str) |
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{ |
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// close the last file? |
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if (($this->oSiteMapFile) && (($this->nWrittenSize + strlen($str) > $this->nMaxFileSize) || ($this->nWrittenCount >= $this->nMaxUrlCount))) { |
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gzwrite($this->oSiteMapFile, '</urlset>'); |
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gzclose($this->oSiteMapFile); |
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$this->oSiteMapFile = null; |
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} |
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// open new XML file? |
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if (!$this->oSiteMapFile) { |
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$this->nSiteMapIndex++; |
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$sFilename = 'sitemap-' . $this->nSiteMapIndex . '.xml.gz'; |
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$this->oSiteMapFile = gzopen($this->sPath . $sFilename, 'wb'); |
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fwrite( |
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$this->oIndexFile, |
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'<sitemap><loc>' . xmlentities($this->sDomain . $sFilename) . '</loc>' . |
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'<lastmod>' . xmlentities(date('c')) . '</lastmod></sitemap>' |
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); |
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gzwrite($this->oSiteMapFile, '<?xml version="1.0" encoding="UTF-8"?>' . "\n"); |
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gzwrite($this->oSiteMapFile, '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'); |
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// includes end of xml-tag |
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$this->nWrittenSize = 108; |
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$this->nWrittenCount = 0; |
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} |
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// write string to XML |
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gzwrite($this->oSiteMapFile, $str); |
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$this->nWrittenSize += strlen($str); |
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$this->nWrittenCount++; |
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} |
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public function close() |
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{ |
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if ($this->oSiteMapFile) { |
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gzwrite($this->oSiteMapFile, '</urlset>'); |
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gzclose($this->oSiteMapFile); |
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$this->oSiteMapFile = null; |
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} |
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if ($this->oIndexFile !== false) { |
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fwrite($this->oIndexFile, '</sitemapindex>'); |
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fclose($this->oIndexFile); |
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$this->oIndexFile = false; |
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} |
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} |
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} |
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