sitemap = $sitemap;
}
/**
* Set as true to make the request 404. Used stop the display of empty sitemaps or
* invalid requests.
*
* @param bool $bool Is this a bad request. True or false.
*/
function set_bad_sitemap( $bool ) {
$this->bad_sitemap = (bool) $bool;
}
/**
* Initialize sitemaps. Add sitemap rewrite rules and query var
*/
function init() {
$GLOBALS['wp']->add_query_var( 'sitemap' );
$GLOBALS['wp']->add_query_var( 'sitemap_n' );
add_rewrite_rule( 'sitemap_index\.xml$', 'index.php?sitemap=1', 'top' );
add_rewrite_rule( '([^/]+?)-sitemap([0-9]+)?\.xml$', 'index.php?sitemap=$matches[1]&sitemap_n=$matches[2]', 'top' );
}
/**
* Hijack requests for potential sitemaps.
*/
function redirect() {
$type = get_query_var( 'sitemap' );
if ( empty( $type ) )
return;
$this->build_sitemap( $type );
// 404 for invalid or emtpy sitemaps
if ( $this->bad_sitemap ) {
$GLOBALS['wp_query']->is_404 = true;
return;
}
$this->output();
die();
}
/**
* Attempt to build the requested sitemap. Sets $bad_sitemap if this isn't
* for the root sitemap, a post type or taxonomy.
*
* @param string $type The requested sitemap's identifier.
*/
function build_sitemap( $type ) {
$type = apply_filters( 'wpseo_build_sitemap_post_type', $type );
if ( $type == 1 )
$this->build_root_map();
else if ( post_type_exists( $type ) )
$this->build_post_type_map( $type );
else if ( $tax = get_taxonomy( $type ) )
$this->build_tax_map( $tax );
else if ( has_action( 'wpseo_do_sitemap_' . $type ) )
do_action( 'wpseo_do_sitemap_' . $type );
else
$this->bad_sitemap = true;
}
/**
* Build the root sitemap -- example.com/sitemap_index.xml -- which lists sub-sitemaps
* for other content types.
*
* @todo lastmod for sitemaps?
*/
function build_root_map() {
global $wpdb;
$options = get_wpseo_options();
$this->sitemap = '' . "\n";
$base = $GLOBALS['wp_rewrite']->using_index_permalinks() ? 'index.php/' : '';
// reference post type specific sitemaps
foreach ( get_post_types( array( 'public' => true ) ) as $post_type ) {
if ( $post_type == 'attachment' )
continue;
if ( isset( $options['post_types-' . $post_type . '-not_in_sitemap'] ) && $options['post_types-' . $post_type . '-not_in_sitemap'] )
continue;
$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(ID) FROM $wpdb->posts WHERE post_type = %s AND post_status = 'publish' LIMIT 1", $post_type ) );
// don't include post types with no posts
if ( !$count )
continue;
$n = ( $count > 1000 ) ? (int) ceil( $count / 1000 ) : 1;
for ( $i = 0; $i < $n; $i++ ) {
$count = ( $n > 1 ) ? $i + 1 : '';
if ( empty( $count ) || $count == $n ) {
$date = $this->get_last_modified( $post_type );
} else {
$date = $wpdb->get_var( $wpdb->prepare( "SELECT post_modified_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type = %s ORDER BY post_modified_gmt ASC LIMIT 1 OFFSET %d", $post_type, $i * 1000 + 999 ) );
$date = date( 'c', strtotime( $date ) );
}
$this->sitemap .= '' . "\n";
$this->sitemap .= '' . home_url( $base . $post_type . '-sitemap' . $count . '.xml' ) . '' . "\n";
$this->sitemap .= '' . htmlspecialchars( $date ) . '' . "\n";
$this->sitemap .= '' . "\n";
}
}
// reference taxonomy specific sitemaps
foreach ( get_taxonomies( array( 'public' => true ) ) as $tax ) {
if ( in_array( $tax, array( 'link_category', 'nav_menu', 'post_format' ) ) )
continue;
if ( isset( $options['taxonomies-' . $tax . '-not_in_sitemap'] ) && $options['taxonomies-' . $tax . '-not_in_sitemap'] )
continue;
// don't include taxonomies with no terms
if ( !$wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->term_taxonomy WHERE taxonomy = %s AND count != 0 LIMIT 1", $tax ) ) )
continue;
// Retrieve the post_types that are registered to this taxonomy and then retrieve last modified date for all of those combined.
$taxobj = get_taxonomy( $tax );
$date = $this->get_last_modified( $taxobj->object_type );
$this->sitemap .= '' . "\n";
$this->sitemap .= '' . home_url( $base . $tax . '-sitemap.xml' ) . '' . "\n";
$this->sitemap .= '' . htmlspecialchars( $date ) . '' . "\n";
$this->sitemap .= '' . "\n";
}
// allow other plugins to add their sitemaps to the index
$this->sitemap .= apply_filters( 'wpseo_sitemap_index', '' );
$this->sitemap .= '';
}
/**
* Build a sub-sitemap for a specific post type -- example.com/post_type-sitemap.xml
*
* @param string $post_type Registered post type's slug
*/
function build_post_type_map( $post_type ) {
$options = get_wpseo_options();
if (
( isset( $options['post_types-' . $post_type . '-not_in_sitemap'] ) && $options['post_types-' . $post_type . '-not_in_sitemap'] )
|| in_array( $post_type, array( 'revision', 'nav_menu_item', 'attachment' ) )
) {
$this->bad_sitemap = true;
return;
}
$output = '';
$front_id = get_option( 'page_on_front' );
if ( !$front_id && ( $post_type == 'post' || $post_type == 'page' ) ) {
$output .= $this->sitemap_url( array(
'loc' => home_url( '/' ),
'pri' => 1,
'chf' => 'daily',
) );
} else if ( $front_id && $post_type == 'post' ) {
$page_for_posts = get_option( 'page_for_posts' );
if ( $page_for_posts ) {
$output .= $this->sitemap_url( array(
'loc' => get_permalink( $page_for_posts ),
'pri' => 1,
'chf' => 'daily',
) );
}
}
if ( function_exists( 'get_post_type_archive_link' ) ) {
$archive = get_post_type_archive_link( $post_type );
if ( $archive ) {
$output .= $this->sitemap_url( array(
'loc' => $archive,
'pri' => 0.8,
'chf' => 'weekly',
'mod' => $this->get_last_modified( $post_type ) // get_lastpostmodified( 'gmt', $post_type ) #17455
) );
}
}
global $wpdb;
$join_filter = '';
$join_filter = apply_filters( 'wpseo_typecount_join', $join_filter, $post_type );
$where_filter = '';
$where_filter = apply_filters( 'wpseo_typecount_where', $where_filter, $post_type );
$typecount = $wpdb->get_var( "SELECT COUNT(ID) FROM $wpdb->posts {$join_filter} WHERE post_status = 'publish' AND post_password = '' AND post_type = '$post_type' {$where_filter}" );
if ( $typecount == 0 && empty( $archive ) ) {
$this->bad_sitemap = true;
return;
}
// Let's flush the object cache so we're not left with garbage from other plugins
wp_cache_flush();
$stackedurls = array();
$steps = 25;
$n = (int) get_query_var( 'sitemap_n' );
$offset = ( $n > 1 ) ? ( $n - 1 ) * 1000 : 0;
$total = $offset + 1000;
if ( $total > $typecount )
$total = $typecount;
// We grab post_date, post_name, post_author and post_status too so we can throw these objects into get_permalink, which saves a get_post call for each permalink.
while ( $total > $offset ) {
$join_filter = apply_filters( 'wpseo_posts_join', '', $post_type );
$where_filter = apply_filters( 'wpseo_posts_where', '', $post_type );
// Optimized query per this thread: http://wordpress.org/support/topic/plugin-wordpress-seo-by-yoast-performance-suggestion
// Also see http://explainextended.com/2009/10/23/mysql-order-by-limit-performance-late-row-lookups/
$posts = $wpdb->get_results( "SELECT l.ID, post_content, post_name, post_author, post_parent, post_modified_gmt, post_date, post_date_gmt
FROM (
SELECT ID FROM $wpdb->posts {$join_filter}
WHERE post_status = 'publish'
AND post_password = ''
AND post_type = '$post_type'
{$where_filter}
ORDER BY post_modified ASC
LIMIT $steps OFFSET $offset ) o
JOIN $wpdb->posts l
ON l.ID = o.ID
ORDER BY l.ID" );
/* $posts = $wpdb->get_results("SELECT ID, post_content, post_name, post_author, post_parent, post_modified_gmt, post_date, post_date_gmt
FROM $wpdb->posts {$join_filter}
WHERE post_status = 'publish'
AND post_password = ''
AND post_type = '$post_type'
{$where_filter}
ORDER BY post_modified ASC
LIMIT $steps OFFSET $offset"); */
$offset = $offset + $steps;
foreach ( $posts as $p ) {
$p->post_type = $post_type;
$p->post_status = 'publish';
$p->filter = 'sample';
if ( wpseo_get_value( 'meta-robots-noindex', $p->ID ) && wpseo_get_value( 'sitemap-include', $p->ID ) != 'always' )
continue;
if ( wpseo_get_value( 'sitemap-include', $p->ID ) == 'never' )
continue;
if ( wpseo_get_value( 'redirect', $p->ID ) && strlen( wpseo_get_value( 'redirect', $p->ID ) ) > 0 )
continue;
$url = array();
$url['mod'] = ( isset( $p->post_modified_gmt ) && $p->post_modified_gmt != '0000-00-00 00:00:00' ) ? $p->post_modified_gmt : $p->post_date_gmt;
$url['chf'] = 'weekly';
$url['loc'] = get_permalink( $p );
$canonical = wpseo_get_value( 'canonical', $p->ID );
if ( $canonical && $canonical != '' && $canonical != $url['loc'] ) {
// Let's assume that if a canonical is set for this page and it's different from the URL of this post, that page is either
// already in the XML sitemap OR is on an external site, either way, we shouldn't include it here.
continue;
} else {
if ( isset( $options['trailingslash'] ) && $options['trailingslash'] && $p->post_type != 'post' )
$url['loc'] = trailingslashit( $url['loc'] );
}
$pri = wpseo_get_value( 'sitemap-prio', $p->ID );
if ( is_numeric( $pri ) )
$url['pri'] = $pri;
elseif ( $p->post_parent == 0 && $p->post_type == 'page' )
$url['pri'] = 0.8;
else
$url['pri'] = 0.6;
if ( $p->ID == $front_id )
$url['pri'] = 1.0;
$url['images'] = array();
$content = $p->post_content;
if ( function_exists( 'get_the_post_thumbnail' ) ) {
$content = '' . get_the_post_thumbnail( $p->ID, 'full' ) . '
' . $content;
}
$host = str_replace( 'www.', '', parse_url( get_bloginfo( 'url' ), PHP_URL_HOST ) );
if ( preg_match_all( '/![]()
]+>/', $content, $matches ) ) {
foreach ( $matches[0] as $img ) {
if ( preg_match( '/src=("|\')([^"|\']+)("|\')/', $img, $match ) ) {
$src = $match[2];
if ( strpos( $src, 'http' ) !== 0 ) {
if ( $src[0] != '/' )
continue;
$src = get_bloginfo( 'url' ) . $src;
}
if ( strpos( $src, $host ) === false )
continue;
if ( $src != esc_url( $src ) )
continue;
if ( isset( $url['images'][$src] ) )
continue;
$image = array(
'src' => apply_filters( 'wpseo_xml_sitemap_img_src', $src, $p )
);
if ( preg_match( '/title=("|\')([^"\']+)("|\')/', $img, $match ) )
$image['title'] = str_replace( array( '-', '_' ), ' ', $match[2] );
if ( preg_match( '/alt=("|\')([^"\']+)("|\')/', $img, $match ) )
$image['alt'] = str_replace( array( '-', '_' ), ' ', $match[2] );
$image = apply_filters( 'wpseo_xml_sitemap_img', $image, $p );
$url['images'][] = $image;
}
}
}
if ( preg_match_all( '/\[gallery/', $p->post_content, $matches ) ) {
$attachments = get_children( array( 'post_parent' => $p->ID, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image' ) );
foreach ( $attachments as $att_id => $attachment ) {
$src = wp_get_attachment_image_src( $att_id, 'large', false );
$image = array(
'src' => apply_filters( 'wpseo_xml_sitemap_img_src', $src[0], $p )
);
if ( $alt = get_post_meta( $att_id, '_wp_attachment_image_alt', true ) )
$image['alt'] = $alt;
$image['title'] = $attachment->post_title;
$image = apply_filters( 'wpseo_xml_sitemap_img', $image, $p );
$url['images'][] = $image;
}
}
$url['images'] = apply_filters( 'wpseo_sitemap_urlimages', $url['images'], $p->ID );
if ( !in_array( $url['loc'], $stackedurls ) ) {
$output .= $this->sitemap_url( $url );
$stackedurls[] = $url['loc'];
}
// Clear the post_meta and the term cache for the post, as we no longer need it now.
wp_cache_delete( $p->ID, 'post_meta' );
// clean_object_term_cache( $p->ID, $post_type );
}
}
if ( empty( $output ) ) {
$this->bad_sitemap = true;
return;
}
$this->sitemap = 'sitemap .= 'xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" ';
$this->sitemap .= 'xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n";
$this->sitemap .= $output;
// Filter to allow adding extra URLs, only do this on the first XML sitemap, not on all.
if ( $n == 0 )
$this->sitemap .= apply_filters( 'wpseo_sitemap_' . $post_type . '_content', '' );
$this->sitemap .= '';
}
/**
* Build a sub-sitemap for a specific taxonomy -- example.com/tax-sitemap.xml
*
* @param string $taxonomy Registered taxonomy's slug
*/
function build_tax_map( $taxonomy ) {
$options = get_wpseo_options();
if (
( isset( $options['taxonomies-' . $taxonomy->name . '-not_in_sitemap'] ) && $options['taxonomies-' . $taxonomy->name . '-not_in_sitemap'] )
|| in_array( $taxonomy, array( 'link_category', 'nav_menu', 'post_format' ) )
) {
$this->bad_sitemap = true;
return;
}
$terms = get_terms( $taxonomy->name, array( 'hide_empty' => true ) );
global $wpdb;
$output = '';
foreach ( $terms as $c ) {
$url = array();
if ( wpseo_get_term_meta( $c, $c->taxonomy, 'noindex' )
&& wpseo_get_term_meta( $c, $c->taxonomy, 'sitemap_include' ) != 'always'
)
continue;
if ( wpseo_get_term_meta( $c, $c->taxonomy, 'sitemap_include' ) == 'never' )
continue;
$url['loc'] = wpseo_get_term_meta( $c, $c->taxonomy, 'canonical' );
if ( !$url['loc'] ) {
$url['loc'] = get_term_link( $c, $c->taxonomy );
if ( isset( $options['trailingslash'] ) && $options['trailingslash'] )
$url['loc'] = trailingslashit( $url['loc'] );
}
if ( $c->count > 10 ) {
$url['pri'] = 0.6;
} else if ( $c->count > 3 ) {
$url['pri'] = 0.4;
} else {
$url['pri'] = 0.2;
}
// Grab last modified date
$sql = "SELECT MAX(p.post_date) AS lastmod
FROM $wpdb->posts AS p
INNER JOIN $wpdb->term_relationships AS term_rel
ON term_rel.object_id = p.ID
INNER JOIN $wpdb->term_taxonomy AS term_tax
ON term_tax.term_taxonomy_id = term_rel.term_taxonomy_id
AND term_tax.taxonomy = '$c->taxonomy'
AND term_tax.term_id = $c->term_id
WHERE p.post_status = 'publish'
AND p.post_password = ''";
$url['mod'] = $wpdb->get_var( $sql );
$url['chf'] = 'weekly';
$output .= $this->sitemap_url( $url );
}
if ( empty( $output ) ) {
$this->bad_sitemap = true;
return;
}
$this->sitemap = 'sitemap .= 'xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" ';
$this->sitemap .= 'xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n";
$this->sitemap .= $output . '';
}
/**
* Spit out the generated sitemap and relevant headers and encoding information.
*/
function output() {
// Prevent the search engines from indexing the XML Sitemap.
header( 'X-Robots-Tag: noindex, follow', true );
header( 'Content-Type: text/xml' );
echo '';
echo $this->sitemap;
echo "\n" . '';
if ( WP_DEBUG )
echo "\n" . '';
}
/**
* Build the tag for a given URL.
*
* @param array $url Array of parts that make up this entry
* @return string
*/
function sitemap_url( $url ) {
if ( isset( $url['mod'] ) )
$date = mysql2date( "Y-m-d\TH:i:s+00:00", $url['mod'] );
else
$date = date( 'c' );
$output = "\t\n";
$output .= "\t\t" . $url['loc'] . "\n";
$output .= "\t\t" . $date . "\n";
$output .= "\t\t" . $url['chf'] . "\n";
$output .= "\t\t" . str_replace( ',', '.', $url['pri'] ) . "\n";
if ( isset( $url['images'] ) && count( $url['images'] ) > 0 ) {
foreach ( $url['images'] as $img ) {
$output .= "\t\t\n";
$output .= "\t\t\t" . esc_html( $img['src'] ) . "\n";
if ( isset( $img['title'] ) )
$output .= "\t\t\t" . _wp_specialchars( html_entity_decode( $img['title'], ENT_QUOTES, get_bloginfo('charset') ) ) . "\n";
if ( isset( $img['alt'] ) )
$output .= "\t\t\t" . _wp_specialchars( html_entity_decode( $img['alt'], ENT_QUOTES, get_bloginfo('charset') ) ) . "\n";
$output .= "\t\t\n";
}
}
$output .= "\t\n";
return $output;
}
/**
* Notify search engines of the updated sitemap.
*/
function ping_search_engines() {
$options = get_option( 'wpseo_xml' );
$base = $GLOBALS['wp_rewrite']->using_index_permalinks() ? 'index.php/' : '';
$sitemapurl = urlencode( home_url( $base . 'sitemap_index.xml' ) );
// Always ping Google and Bing, optionally ping Ask and Yahoo!
wp_remote_get( 'http://www.google.com/webmasters/tools/ping?sitemap=' . $sitemapurl );
wp_remote_get( 'http://www.bing.com/webmaster/ping.aspx?sitemap=' . $sitemapurl );
if ( isset( $options['xml_ping_yahoo'] ) && $options['xml_ping_yahoo'] )
wp_remote_get( 'http://search.yahooapis.com/SiteExplorerService/V1/updateNotification?appid=3usdTDLV34HbjQpIBuzMM1UkECFl5KDN7fogidABihmHBfqaebDuZk1vpLDR64I-&url=' . $sitemapurl );
if ( isset( $options['xml_ping_ask'] ) && $options['xml_ping_ask'] )
wp_remote_get( 'http://submissions.ask.com/ping?sitemap=' . $sitemapurl );
}
/**
* Make a request for the sitemap index so as to cache it before the arrival of the search engines.
*/
function hit_sitemap_index() {
$base = $GLOBALS['wp_rewrite']->using_index_permalinks() ? 'index.php/' : '';
$url = home_url( $base . 'sitemap_index.xml' );
wp_remote_get( $url );
}
/**
* Hook into redirect_canonical to stop trailing slashes on sitemap.xml URLs
*
* @param string $redirect The redirect URL currently determined.
* @return bool|string $redirect
*/
function canonical( $redirect ) {
$sitemap = get_query_var( 'sitemap' );
if ( !empty( $sitemap ) )
return false;
return $redirect;
}
/**
* Get the modification date for the last modified post in the post type:
*
* @param array $post_types Post types to get the last modification date for
* @return string
*/
function get_last_modified( $post_types ) {
global $wpdb;
if ( !is_array( $post_types ) )
$post_types = array( $post_types );
$result = 0;
foreach ( $post_types as $post_type ) {
$key = 'lastpostmodified:gmt:' . $post_type;
$date = wp_cache_get( $key, 'timeinfo' );
if ( !$date ) {
$date = $wpdb->get_var( $wpdb->prepare( "SELECT post_modified_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type = %s ORDER BY post_modified_gmt DESC LIMIT 1", $post_type ) );
if ( $date )
wp_cache_set( $key, $date, 'timeinfo' );
}
if ( strtotime( $date ) > $result )
$result = strtotime( $date );
}
// Transform to W3C Date format.
$result = date( 'c', $result );
return $result;
}
}
global $wpseo_sitemaps;
$wpseo_sitemaps = new WPSEO_Sitemaps();