stylesheet = '';
$this->charset = get_bloginfo( 'charset' );
$this->output_charset = $this->charset;
$this->timezone = new WPSEO_Sitemap_Timezone();
if (
'UTF-8' !== $this->charset
&& function_exists( 'mb_list_encodings' )
&& in_array( $this->charset, mb_list_encodings(), true )
) {
$this->output_charset = 'UTF-8';
}
$this->needs_conversion = $this->output_charset !== $this->charset;
}
/**
* @param array $links Set of sitemaps index links.
*
* @return string
*/
public function get_index( $links ) {
$xml = '' . "\n";
foreach ( $links as $link ) {
$xml .= $this->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( 'wpseo_sitemap_index', '' );
$xml .= '';
return $xml;
}
/**
* @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 = '' . "\n";
/**
* Filters the `urlset` for a sitemap by type.
*
* @api string $urlset The output for the sitemap's `urlset`.
*/
$xml = apply_filters( "wpseo_sitemap_{$type}_urlset", $urlset );
foreach ( $links as $url ) {
$xml .= $this->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 ) {
$xml .= apply_filters( "wpseo_sitemap_{$type}_content", '' );
}
$xml .= '';
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 = 'output_charset ) . '"?>';
if ( $this->stylesheet ) {
/**
* Filter the stylesheet URL for the XML sitemap.
*
* @param string $stylesheet Stylesheet URL.
*/
$output .= apply_filters( 'wpseo_stylesheet_url', $this->stylesheet ) . "\n";
}
$output .= $sitemap;
$output .= "\n";
$debug = WP_DEBUG || ( defined( 'WPSEO_DEBUG' ) && true === WPSEO_DEBUG );
if ( ! WP_DEBUG_DISPLAY || ! $debug ) {
return $output;
}
$memory_used = number_format( ( memory_get_peak_usage() / 1048576 ), 2 );
$queries_run = ( $transient ) ? 'Served from transient cache' : 'Queries executed ' . absint( $GLOBALS['wpdb']->num_queries );
$output .= "\n";
if ( defined( 'SAVEQUERIES' ) && SAVEQUERIES ) {
$queries = print_r( $GLOBALS['wpdb']->queries, true );
$output .= "\n";
}
return $output;
}
/**
* Get charset for the output.
*
* @return string
*/
public function get_output_charset() {
return $this->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->stylesheet = $stylesheet;
}
/**
* Build the `` 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['lastmod'] ) ) {
$date = $this->timezone->format_date( $url['lastmod'] );
}
$url['loc'] = htmlspecialchars( $url['loc'] );
$output = "\t\n";
$output .= "\t\t" . $url['loc'] . "\n";
$output .= empty( $date ) ? '' : "\t\t" . htmlspecialchars( $date ) . "\n";
$output .= "\t\n";
return $output;
}
/**
* Build the `` 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['mod'] ) ) {
// Create a DateTime object date in the correct timezone.
$date = $this->timezone->format_date( $url['mod'] );
}
$url['loc'] = htmlspecialchars( $url['loc'] );
$output = "\t\n";
$output .= "\t\t" . $this->encode_url_rfc3986( $url['loc'] ) . "\n";
$output .= empty( $date ) ? '' : "\t\t" . htmlspecialchars( $date ) . "\n";
if ( empty( $url['images'] ) ) {
$url['images'] = array();
}
foreach ( $url['images'] as $img ) {
if ( empty( $img['src'] ) ) {
continue;
}
$output .= "\t\t\n";
$output .= "\t\t\t" . esc_html( $this->encode_url_rfc3986( $img['src'] ) ) . "\n";
if ( ! empty( $img['title'] ) ) {
$title = $img['title'];
if ( $this->needs_conversion ) {
$title = mb_convert_encoding( $title, $this->output_charset, $this->charset );
}
$title = _wp_specialchars( html_entity_decode( $title, ENT_QUOTES, $this->output_charset ) );
$output .= "\t\t\t\n";
}
if ( ! empty( $img['alt'] ) ) {
$alt = $img['alt'];
if ( $this->needs_conversion ) {
$alt = mb_convert_encoding( $alt, $this->output_charset, $this->charset );
}
$alt = _wp_specialchars( html_entity_decode( $alt, ENT_QUOTES, $this->output_charset ) );
$output .= "\t\t\t\n";
}
$output .= "\t\t\n";
}
unset( $img, $title, $alt );
$output .= "\t\n";
/**
* 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( 'wpseo_sitemap_url', $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 = parse_url( $url, PHP_URL_PATH );
if ( ! empty( $path ) && '/' !== $path ) {
$encoded_path = explode( '/', $path );
$encoded_path = array_map( 'rawurlencode', $encoded_path );
$encoded_path = implode( '/', $encoded_path );
$encoded_path = str_replace( '%7E', '~', $encoded_path ); // PHP <5.3.
$url = str_replace( $path, $encoded_path, $url );
}
$query = parse_url( $url, PHP_URL_QUERY );
if ( ! empty( $query ) ) {
parse_str( $query, $parsed_query );
if ( defined( 'PHP_QUERY_RFC3986' ) ) { // PHP 5.4+.
$parsed_query = http_build_query( $parsed_query, null, '&', PHP_QUERY_RFC3986 );
}
else {
$parsed_query = http_build_query( $parsed_query, null, '&' );
$parsed_query = str_replace( '+', '%20', $parsed_query );
$parsed_query = str_replace( '%7E', '~', $parsed_query );
}
$url = str_replace( $query, $parsed_query, $url );
}
return $url;
}
}