/
class-sitemaps.php
1564 lines (1315 loc) · 47.5 KB
/
class-sitemaps.php
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<?php
/**
* @package WPSEO\XML_Sitemaps
*/
/**
* Class WPSEO_Sitemaps
*
* @todo: [JRF => whomever] If at all possible, move the adding of rewrite rules, actions and filters
* elsewhere and only load this file when an actual sitemap is being requested.
*/
class WPSEO_Sitemaps {
/**
* Content of the sitemap to output.
*
* @var string $sitemap
*/
protected $sitemap = '';
/**
* XSL stylesheet for styling a sitemap for web browsers
*
* @var string $stylesheet
*/
private $stylesheet = '';
/**
* Flag to indicate if this is an invalid or empty sitemap.
*
* @var bool $bad_sitemap
*/
public $bad_sitemap = false;
/**
* Whether or not the XML sitemap was served from a transient or not.
*
* @var bool $transient
*/
private $transient = false;
/**
* The maximum number of entries per sitemap page
*
* @var int $max_entries
*/
private $max_entries;
/**
* Holds the post type's newest publish dates
*
* @var array $post_type_dates
*/
private $post_type_dates;
/**
* Holds the Yoast SEO options
*
* @var array $options
*/
private $options = array();
/**
* Holds the n variable
*
* @var int $n
*/
private $n = 1;
/**
* Holds the home_url() value to speed up loops
*
* @var string $home_url
*/
private $home_url = '';
/**
* Holds the get_bloginfo( 'charset' ) value to reuse for performance
*
* @var string $charset
*/
private $charset = '';
/**
* @var WPSEO_Sitemap_Timezone
*/
private $timezone;
/**
* Class constructor
*/
function __construct() {
if ( ! defined( 'ENT_XML1' ) ) {
define( 'ENT_XML1', 16 );
}
add_action( 'after_setup_theme', array( $this, 'reduce_query_load' ), 99 );
add_action( 'pre_get_posts', array( $this, 'redirect' ), 1 );
add_filter( 'redirect_canonical', array( $this, 'canonical' ) );
add_action( 'wpseo_hit_sitemap_index', array( $this, 'hit_sitemap_index' ) );
add_filter( 'wpseo_sitemap_exclude_author', array( $this, 'user_sitemap_remove_excluded_authors' ), 8 );
// Default stylesheet.
$this->stylesheet = '<?xml-stylesheet type="text/xsl" href="' . preg_replace( '/(^http[s]?:)/', '', esc_url( home_url( 'main-sitemap.xsl' ) ) ) . '"?>';
$this->options = WPSEO_Options::get_options( array( 'wpseo_xml', 'wpseo_titles', 'wpseo_permalinks' ) );
$this->max_entries = $this->options['entries-per-page'];
$this->home_url = home_url();
$this->charset = get_bloginfo( 'charset' );
$this->timezone = new WPSEO_Sitemap_Timezone();
}
/**
* Check the current request URI, if we can determine it's probably an XML sitemap, kill loading the widgets
*/
public function reduce_query_load() {
if ( ! isset( $_SERVER['REQUEST_URI'] ) ) {
return;
}
$request_uri = $_SERVER['REQUEST_URI'];
$extension = substr( $request_uri, -4 );
if ( false !== stripos( $request_uri, 'sitemap' ) && ( in_array( $extension, array( '.xml', '.xsl' ) ) ) ) {
remove_all_actions( 'widgets_init' );
}
}
/**
* This query invalidates the main query on purpose so it returns nice and quickly
*
* @param string $where SQL strong for WHERE part.
*
* @deprecated The relevant sitemap code now hijacks main query before this filter can act on it.
*
* @todo Should be safe to drop now. R.
*
* @return string
*/
function invalidate_main_query( $where ) {
return $where;
}
/**
* Returns the server HTTP protocol to use for output, if it's set.
*
* @return string
*/
private function http_protocol() {
return ( isset( $_SERVER['SERVER_PROTOCOL'] ) && $_SERVER['SERVER_PROTOCOL'] !== '' ) ? sanitize_text_field( $_SERVER['SERVER_PROTOCOL'] ) : 'HTTP/1.1';
}
/**
* Register your own sitemap. Call this during 'init'.
*
* @param string $name The name of the sitemap.
* @param callback $function Function to build your sitemap.
* @param string $rewrite Optional. Regular expression to match your sitemap with.
*/
function register_sitemap( $name, $function, $rewrite = '' ) {
add_action( 'wpseo_do_sitemap_' . $name, $function );
if ( ! empty( $rewrite ) ) {
add_rewrite_rule( $rewrite, 'index.php?sitemap=' . $name, 'top' );
}
}
/**
* Register your own XSL file. Call this during 'init'.
*
* @param string $name The name of the XSL file.
* @param callback $function Function to build your XSL file.
* @param string $rewrite Optional. Regular expression to match your sitemap with.
*/
function register_xsl( $name, $function, $rewrite = '' ) {
add_action( 'wpseo_xsl_' . $name, $function );
if ( ! empty( $rewrite ) ) {
add_rewrite_rule( $rewrite, 'index.php?xsl=' . $name, 'top' );
}
}
/**
* Set the sitemap n to allow creating partial sitemaps with wp-cli
* in an one-off process.
*
* @param integer $n The part that should be generated.
*/
public function set_n( $n ) {
if ( is_scalar( $n ) && intval( $n ) > 0 ) {
$this->n = intval( $n );
}
}
/**
* Set the sitemap content to display after you have generated it.
*
* @param string $sitemap The generated sitemap to output.
*/
function set_sitemap( $sitemap ) {
$this->sitemap = $sitemap;
}
/**
* 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;
}
/**
* 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;
}
/**
* Prevent stupid plugins from running shutdown scripts when we're obviously not outputting HTML.
*
* @since 1.4.16
*/
function sitemap_close() {
remove_all_actions( 'wp_footer' );
die();
}
/**
* Hijack requests for potential sitemaps and XSL files.
*
* @param \WP_Query $query Main query instance.
*/
function redirect( $query ) {
if ( ! $query->is_main_query() ) {
return;
}
$xsl = get_query_var( 'xsl' );
if ( ! empty( $xsl ) ) {
$this->xsl_output( $xsl );
$this->sitemap_close();
}
$type = get_query_var( 'sitemap' );
if ( empty( $type ) ) {
return;
}
$this->set_n( get_query_var( 'sitemap_n' ) );
/**
* Filter: 'wpseo_enable_xml_sitemap_transient_caching' - Allow disabling the transient cache
*
* @api bool $unsigned Enable cache or not, defaults to true
*/
$caching = apply_filters( 'wpseo_enable_xml_sitemap_transient_caching', true );
if ( $caching ) {
do_action( 'wpseo_sitemap_stylesheet_cache_' . $type, $this );
$sitemap_cache_key = WPSEO_Utils::get_sitemap_cache_key( $type, $this->n );
$this->sitemap = get_transient( $sitemap_cache_key );
}
if ( ! $this->sitemap || '' == $this->sitemap ) {
$this->build_sitemap( $type );
// 404 for invalid or empty sitemaps.
if ( $this->bad_sitemap ) {
$GLOBALS['wp_query']->set_404();
status_header( 404 );
return;
}
if ( $caching ) {
/**
* We need to set a timeout, otherwise the transient is loaded every request!
*
* See: https://codex.wordpress.org/Function_Reference/set_transient
* NB: transients that never expire are autoloaded, whereas transients with an expiration time
* are not autoloaded. Consider this when adding transients that may not be needed on every
* page, and thus do not need to be autoloaded, impacting page performance.
*/
set_transient( $sitemap_cache_key, $this->sitemap, DAY_IN_SECONDS );
}
}
else {
$this->transient = true;
}
$this->output();
$this->sitemap_close();
}
/**
* 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();
}
elseif ( post_type_exists( $type ) ) {
$this->build_post_type_map( $type );
}
elseif ( $tax = get_taxonomy( $type ) ) {
$this->build_tax_map( $tax );
}
elseif ( $type == 'author' ) {
$this->build_user_map();
}
elseif ( 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.
*/
function build_root_map() {
global $wpdb;
$this->sitemap = '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n";
// Reference post type specific sitemaps.
$post_types = get_post_types( array( 'public' => true ) );
if ( is_array( $post_types ) && $post_types !== array() ) {
foreach ( $post_types as $post_type ) {
if ( isset( $this->options[ 'post_types-' . $post_type . '-not_in_sitemap' ] ) && $this->options[ 'post_types-' . $post_type . '-not_in_sitemap' ] === true ) {
continue;
}
else {
if ( apply_filters( 'wpseo_sitemap_exclude_post_type', false, $post_type ) ) {
continue;
}
}
// Using same filters for filtering join and where parts of the query.
$join_filter = apply_filters( 'wpseo_typecount_join', '', $post_type );
$where_filter = apply_filters( 'wpseo_typecount_where', '', $post_type );
// Using the same query with build_post_type_map($post_type) function to count number of posts.
$query = $wpdb->prepare( "SELECT COUNT(ID) FROM $wpdb->posts {$join_filter} WHERE post_status IN ('publish','inherit') AND post_password = '' AND post_date != '0000-00-00 00:00:00' AND post_type = %s " . $where_filter, $post_type );
$count = $wpdb->get_var( $query );
if ( $count == 0 ) {
continue;
}
$n = ( $count > $this->max_entries ) ? (int) ceil( $count / $this->max_entries ) : 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 {
if ( ! isset( $all_dates ) ) {
$all_dates = $wpdb->get_col( $wpdb->prepare( "SELECT post_modified_gmt FROM (SELECT @rownum:=@rownum+1 rownum, $wpdb->posts.post_modified_gmt FROM (SELECT @rownum:=0) r, $wpdb->posts WHERE post_status IN ('publish','inherit') AND post_type = %s ORDER BY post_modified_gmt ASC) x WHERE rownum %%%d=0", $post_type, $this->max_entries ) );
}
$date = $this->timezone->get_datetime_with_timezone( $all_dates[ $i ] );
unset( $all_dates );
}
$this->sitemap .= '<sitemap>' . "\n";
$this->sitemap .= '<loc>' . wpseo_xml_sitemaps_base_url( $post_type . '-sitemap' . $count . '.xml' ) . '</loc>' . "\n";
$this->sitemap .= '<lastmod>' . htmlspecialchars( $date ) . '</lastmod>' . "\n";
$this->sitemap .= '</sitemap>' . "\n";
}
unset( $count, $n, $i, $date );
}
}
unset( $post_types, $post_type, $join_filter, $where_filter, $query );
// Reference taxonomy specific sitemaps.
$taxonomies = get_taxonomies( array( 'public' => true ), 'objects' );
$taxonomy_names = array_keys( $taxonomies );
if ( is_array( $taxonomy_names ) && $taxonomy_names !== array() ) {
foreach ( $taxonomy_names as $tax ) {
if ( in_array( $tax, array( 'link_category', 'nav_menu', 'post_format' ) ) ) {
unset( $taxonomy_names[ $tax ], $taxonomies[ $tax ] );
continue;
}
if ( apply_filters( 'wpseo_sitemap_exclude_taxonomy', false, $tax ) ) {
unset( $taxonomy_names[ $tax ], $taxonomies[ $tax ] );
continue;
}
if ( isset( $this->options[ 'taxonomies-' . $tax . '-not_in_sitemap' ] ) && $this->options[ 'taxonomies-' . $tax . '-not_in_sitemap' ] === true ) {
unset( $taxonomy_names[ $tax ], $taxonomies[ $tax ] );
continue;
}
}
unset( $tax );
// Retrieve all the taxonomies and their terms so we can do a proper count on them.
$hide_empty = ( apply_filters( 'wpseo_sitemap_exclude_empty_terms', true, $taxonomy_names ) ) ? 'count != 0 AND' : '';
$query = "SELECT taxonomy, term_id FROM $wpdb->term_taxonomy WHERE $hide_empty taxonomy IN ('" . implode( "','", $taxonomy_names ) . "');";
$all_taxonomy_terms = $wpdb->get_results( $query );
$all_taxonomies = array();
foreach ( $all_taxonomy_terms as $obj ) {
$all_taxonomies[ $obj->taxonomy ][] = $obj->term_id;
}
unset( $hide_empty, $query, $all_taxonomy_terms, $obj );
foreach ( $taxonomies as $tax_name => $tax ) {
if ( ! isset( $all_taxonomies[ $tax_name ] ) ) { // No eligible terms found.
continue;
}
$steps = $this->max_entries;
$count = ( isset( $all_taxonomies[ $tax_name ] ) ) ? count( $all_taxonomies[ $tax_name ] ) : 1;
$n = ( $count > $this->max_entries ) ? (int) ceil( $count / $this->max_entries ) : 1;
for ( $i = 0; $i < $n; $i ++ ) {
$count = ( $n > 1 ) ? ( $i + 1 ) : '';
if ( ! is_array( $tax->object_type ) || count( $tax->object_type ) == 0 ) {
continue;
}
if ( ( empty( $count ) || $count == $n ) ) {
$date = $this->get_last_modified( $tax->object_type );
}
else {
$terms = array_splice( $all_taxonomies[ $tax_name ], 0, $steps );
if ( ! $terms ) {
continue;
}
$args = array(
'post_type' => $tax->object_type,
'tax_query' => array(
array(
'taxonomy' => $tax_name,
'terms' => $terms,
),
),
'orderby' => 'modified',
'order' => 'DESC',
);
$query = new WP_Query( $args );
$date = '';
if ( $query->have_posts() ) {
$date = $this->timezone->get_datetime_with_timezone( $query->posts[0]->post_modified_gmt );
}
else {
$date = $this->get_last_modified( $tax->object_type );
}
unset( $terms, $args, $query );
}
$this->sitemap .= '<sitemap>' . "\n";
$this->sitemap .= '<loc>' . wpseo_xml_sitemaps_base_url( $tax_name . '-sitemap' . $count . '.xml' ) . '</loc>' . "\n";
$this->sitemap .= '<lastmod>' . htmlspecialchars( $date ) . '</lastmod>' . "\n";
$this->sitemap .= '</sitemap>' . "\n";
}
unset( $steps, $count, $n, $i, $date );
}
}
unset( $taxonomies, $taxonomy_names, $all_taxonomies, $tax_name, $tax );
if ( $this->options['disable-author'] === false && $this->options['disable_author_sitemap'] === false ) {
// Reference user profile specific sitemaps.
$users = get_users( array( 'who' => 'authors' ) );
$users = apply_filters( 'wpseo_sitemap_exclude_author', $users );
$users = wp_list_pluck( $users, 'ID' );
$count = count( $users );
$n = ( $count > 0 ) ? 1 : 0;
if ( $count > $this->max_entries ) {
$n = (int) ceil( $count / $this->max_entries );
};
for ( $i = 0; $i < $n; $i ++ ) {
$count = ( $n > 1 ) ? ( $i + 1 ) : '';
// Must use custom raw query because WP User Query does not support ordering by usermeta.
// Retrieve the newest updated profile timestamp overall.
// TODO order by usermeta supported since WP 3.7, update implementation? R.
$date_query = "
SELECT mt1.meta_value FROM $wpdb->users
INNER JOIN $wpdb->usermeta ON ($wpdb->users.ID = $wpdb->usermeta.user_id)
INNER JOIN $wpdb->usermeta AS mt1 ON ($wpdb->users.ID = mt1.user_id) WHERE 1=1
AND ( ($wpdb->usermeta.meta_key = %s AND CAST($wpdb->usermeta.meta_value AS CHAR) != '0')
AND mt1.meta_key = '_yoast_wpseo_profile_updated' ) ORDER BY mt1.meta_value
";
if ( empty( $count ) || $count == $n ) {
$date = $wpdb->get_var(
$wpdb->prepare(
$date_query . ' ASC LIMIT 1',
$wpdb->get_blog_prefix() . 'user_level'
)
);
// Retrieve the newest updated profile timestamp by an offset.
}
else {
$date = $wpdb->get_var(
$wpdb->prepare(
$date_query . ' DESC LIMIT 1 OFFSET %d',
$wpdb->get_blog_prefix() . 'user_level',
( ( $this->max_entries * ( $i + 1 ) ) - 1 )
)
);
}
$date = $this->timezone->get_datetime_with_timezone( '@' . $date );
$this->sitemap .= '<sitemap>' . "\n";
$this->sitemap .= '<loc>' . wpseo_xml_sitemaps_base_url( 'author-sitemap' . $count . '.xml' ) . '</loc>' . "\n";
$this->sitemap .= '<lastmod>' . htmlspecialchars( $date ) . '</lastmod>' . "\n";
$this->sitemap .= '</sitemap>' . "\n";
}
unset( $users, $count, $n, $i, $date_query, $date );
}
// Allow other plugins to add their sitemaps to the index.
$this->sitemap .= apply_filters( 'wpseo_sitemap_index', '' );
$this->sitemap .= '</sitemapindex>';
}
/**
* Function to dynamically filter the change frequency
*
* @param string $filter Expands to wpseo_sitemap_$filter_change_freq, allowing for a change of the frequency for numerous specific URLs.
* @param string $default The default value for the frequency.
* @param string $url The URL of the current entry.
*
* @return mixed|void
*/
private function filter_frequency( $filter, $default, $url ) {
/**
* Filter: 'wpseo_sitemap_' . $filter . '_change_freq' - Allow filtering of the specific change frequency
*
* @api string $default The default change frequency
*/
$change_freq = apply_filters( 'wpseo_sitemap_' . $filter . '_change_freq', $default, $url );
if ( ! in_array( $change_freq, array(
'always',
'hourly',
'daily',
'weekly',
'monthly',
'yearly',
'never',
) )
) {
$change_freq = $default;
}
return $change_freq;
}
/**
* 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 ) {
global $wpdb;
if (
( isset( $this->options[ 'post_types-' . $post_type . '-not_in_sitemap' ] ) && $this->options[ 'post_types-' . $post_type . '-not_in_sitemap' ] === true )
|| in_array( $post_type, array( 'revision', 'nav_menu_item' ) )
|| apply_filters( 'wpseo_sitemap_exclude_post_type', false, $post_type )
) {
$this->bad_sitemap = true;
return;
}
$output = '';
$steps = ( 100 > $this->max_entries ) ? $this->max_entries : 100;
$n = (int) $this->n;
$offset = ( $n > 1 ) ? ( ( $n - 1 ) * $this->max_entries ) : 0;
$total = ( $offset + $this->max_entries );
$join_filter = apply_filters( 'wpseo_typecount_join', '', $post_type );
$where_filter = apply_filters( 'wpseo_typecount_where', '', $post_type );
$query = $wpdb->prepare( "SELECT COUNT(ID) FROM $wpdb->posts {$join_filter} WHERE post_status IN ('publish','inherit') AND post_password = '' AND post_date != '0000-00-00 00:00:00' AND post_type = %s " . $where_filter, $post_type );
$typecount = $wpdb->get_var( $query );
if ( $total > $typecount ) {
$total = $typecount;
}
if ( $n === 1 ) {
$front_id = get_option( 'page_on_front' );
if ( ! $front_id && ( $post_type == 'post' || $post_type == 'page' ) ) {
$output .= $this->sitemap_url(
array(
'loc' => $this->home_url,
'pri' => 1,
'chf' => $this->filter_frequency( 'homepage', 'daily', $this->home_url ),
)
);
}
elseif ( $front_id && $post_type == 'post' ) {
$page_for_posts = get_option( 'page_for_posts' );
if ( $page_for_posts ) {
$page_for_posts_url = get_permalink( $page_for_posts );
$output .= $this->sitemap_url(
array(
'loc' => $page_for_posts_url,
'pri' => 1,
'chf' => $this->filter_frequency( 'blogpage', 'daily', $page_for_posts_url ),
)
);
unset( $page_for_posts_url );
}
}
$archive_url = get_post_type_archive_link( $post_type );
/**
* Filter: 'wpseo_sitemap_post_type_archive_link' - Allow changing the URL Yoast SEO uses in the XML sitemap for this post type archive.
*
* @api float $archive_url The URL of this archive
*
* @param string $post_type The post type this archive is for.
*/
$archive_url = apply_filters( 'wpseo_sitemap_post_type_archive_link', $archive_url, $post_type );
if ( $archive_url ) {
/**
* Filter: 'wpseo_xml_post_type_archive_priority' - Allow changing the priority of the URL Yoast SEO uses in the XML sitemap.
*
* @api float $priority The priority for this URL, ranging from 0 to 1
*
* @param string $post_type The post type this archive is for.
*/
$output .= $this->sitemap_url(
array(
'loc' => $archive_url,
'pri' => apply_filters( 'wpseo_xml_post_type_archive_priority', 0.8, $post_type ),
'chf' => $this->filter_frequency( $post_type . '_archive', 'weekly', $archive_url ),
'mod' => $this->get_last_modified( $post_type ),
// Function get_lastpostmodified( 'gmt', $post_type ) #17455.
)
);
}
}
if ( $typecount == 0 && empty( $archive ) ) {
$this->bad_sitemap = true;
return;
}
$stackedurls = array();
// Make sure you're wpdb->preparing everything you throw into this!!
$join_filter = apply_filters( 'wpseo_posts_join', false, $post_type );
$where_filter = apply_filters( 'wpseo_posts_where', false, $post_type );
$status = ( $post_type == 'attachment' ) ? 'inherit' : 'publish';
$parsed_home = parse_url( $this->home_url );
$host = '';
$scheme = 'http';
if ( isset( $parsed_home['host'] ) && ! empty( $parsed_home['host'] ) ) {
$host = str_replace( 'www.', '', $parsed_home['host'] );
}
if ( isset( $parsed_home['scheme'] ) && ! empty( $parsed_home['scheme'] ) ) {
$scheme = $parsed_home['scheme'];
}
/**
* We grab post_date, post_name 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 ) {
// 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/.
$query = $wpdb->prepare( "SELECT l.ID, post_title, post_content, post_name, post_parent, post_author, post_modified_gmt, post_date, post_date_gmt FROM ( SELECT ID FROM $wpdb->posts {$join_filter} WHERE post_status = '%s' AND post_password = '' AND post_type = '%s' AND post_date != '0000-00-00 00:00:00' {$where_filter} ORDER BY post_modified ASC LIMIT %d OFFSET %d ) o JOIN $wpdb->posts l ON l.ID = o.ID ORDER BY l.ID",
$status, $post_type, $steps, $offset
);
$posts = $wpdb->get_results( $query );
$post_ids = array();
foreach ( $posts as $p ) {
$post_ids[] = $p->ID;
}
unset( $p );
if ( count( $post_ids ) > 0 ) {
update_meta_cache( 'post', $post_ids );
$imploded_post_ids = implode( $post_ids, ',' );
$attachments = $this->get_attachments( $imploded_post_ids );
$thumbnails = $this->get_thumbnails( $imploded_post_ids );
$this->do_attachment_ids_caching( $attachments, $thumbnails );
unset( $imploded_post_ids );
}
unset( $post_ids );
$offset = ( $offset + $steps );
$posts_to_exclude = explode( ',', $this->options['excluded-posts'] );
if ( is_array( $posts ) && $posts !== array() ) {
foreach ( $posts as $p ) {
$p->post_type = $post_type;
$p->post_status = 'publish';
$p->filter = 'sample';
if ( WPSEO_Meta::get_value( 'meta-robots-noindex', $p->ID ) === '1' ) {
continue;
}
if ( in_array( $p->ID, $posts_to_exclude ) ) {
continue;
}
$url = array();
if ( isset( $p->post_modified_gmt ) && $p->post_modified_gmt != '0000-00-00 00:00:00' && $p->post_modified_gmt > $p->post_date_gmt ) {
$url['mod'] = $p->post_modified_gmt;
}
else {
if ( '0000-00-00 00:00:00' != $p->post_date_gmt ) {
$url['mod'] = $p->post_date_gmt;
}
else {
$url['mod'] = $p->post_date; // TODO does this ever happen? will wreck timezone later R.
}
}
$url['loc'] = get_permalink( $p );
/**
* Filter: 'wpseo_xml_sitemap_post_url' - Allow changing the URL Yoast SEO uses in the XML sitemap.
*
* Note that only absolute local URLs are allowed as the check after this removes external URLs.
*
* @api string $url URL to use in the XML sitemap
*
* @param object $p Post object for the URL.
*/
$url['loc'] = apply_filters( 'wpseo_xml_sitemap_post_url', $url['loc'], $p );
$url['chf'] = $this->filter_frequency( $post_type . '_single', 'weekly', $url['loc'] );
/**
* Do not include external URLs.
* @see https://wordpress.org/plugins/page-links-to/ can rewrite permalinks to external URLs.
*/
if ( false === strpos( $url['loc'], $this->home_url ) ) {
continue;
}
$canonical = WPSEO_Meta::get_value( 'canonical', $p->ID );
if ( $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 ( $this->options['trailingslash'] === true && $p->post_type != 'post' ) {
$url['loc'] = trailingslashit( $url['loc'] );
}
}
unset( $canonical );
$url['pri'] = $this->calculate_priority( $p );
$url['images'] = array();
$content = $p->post_content;
$content = '<p><img src="' . $this->image_url( get_post_thumbnail_id( $p->ID ) ) . '" alt="' . $p->post_title . '" /></p>' . $content;
if ( preg_match_all( '`<img [^>]+>`', $content, $matches ) ) {
$url['images'] = $this->parse_matched_images( $matches, $p, $scheme, $host );
}
unset( $content, $matches, $img );
if ( strpos( $p->post_content, '[gallery' ) !== false ) {
if ( is_array( $attachments ) && $attachments !== array() ) {
$url['images'] = $this->parse_attachments( $attachments, $p );
}
unset( $attachment, $src, $image, $alt );
}
$url['images'] = apply_filters( 'wpseo_sitemap_urlimages', $url['images'], $p->ID );
if ( ! in_array( $url['loc'], $stackedurls ) ) {
// Use this filter to adjust the entry before it gets added to the sitemap.
$url = apply_filters( 'wpseo_sitemap_entry', $url, 'post', $p );
if ( is_array( $url ) && $url !== array() ) {
$output .= $this->sitemap_url( $url );
$stackedurls[] = $url['loc'];
}
}
// Clear the post_meta and the term cache for the post
// wp_cache_delete( $p->ID, 'post_meta' );
// clean_object_term_cache( $p->ID, $post_type );
// as we no longer need it now.
}
unset( $p, $url );
}
}
if ( empty( $output ) ) {
$this->bad_sitemap = true;
return;
}
$this->sitemap = '<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" ';
$this->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 === 1 ) {
$this->sitemap .= apply_filters( 'wpseo_sitemap_' . $post_type . '_content', '' );
}
$this->sitemap .= '</urlset>';
}
/**
* Parsing the matched images
*
* @param array $matches Set of matches.
* @param object $p Post object.
* @param string $scheme URL scheme.
* @param string $host URL host.
*
* @return array
*/
private function parse_matched_images( $matches, $p, $scheme, $host ) {
$return = array();
foreach ( $matches[0] as $img ) {
if ( preg_match( '`src=["\']([^"\']+)["\']`', $img, $match ) ) {
$src = $match[1];
if ( WPSEO_Utils::is_url_relative( $src ) === true ) {
if ( $src[0] !== '/' ) {
continue;
}
else {
// The URL is relative, we'll have to make it absolute.
$src = $this->home_url . $src;
}
}
elseif ( strpos( $src, 'http' ) !== 0 ) {
// Protocol relative url, we add the scheme as the standard requires a protocol.
$src = $scheme . ':' . $src;
}
if ( strpos( $src, $host ) === false ) {
continue;
}
if ( $src != esc_url( $src ) ) {
continue;
}
if ( isset( $return[ $src ] ) ) {
continue;
}
$image = array(
'src' => apply_filters( 'wpseo_xml_sitemap_img_src', $src, $p ),
);
if ( preg_match( '`title=["\']([^"\']+)["\']`', $img, $title_match ) ) {
$image['title'] = str_replace( array( '-', '_' ), ' ', $title_match[1] );
}
unset( $title_match );
if ( preg_match( '`alt=["\']([^"\']+)["\']`', $img, $alt_match ) ) {
$image['alt'] = str_replace( array( '-', '_' ), ' ', $alt_match[1] );
}
unset( $alt_match );
$image = apply_filters( 'wpseo_xml_sitemap_img', $image, $p );
$return[] = $image;
}
unset( $match, $src );
}
return $return;
}
/**
* 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 ) {
if (
( isset( $this->options[ 'taxonomies-' . $taxonomy->name . '-not_in_sitemap' ] ) && $this->options[ 'taxonomies-' . $taxonomy->name . '-not_in_sitemap' ] === true )
|| in_array( $taxonomy, array( 'link_category', 'nav_menu', 'post_format' ) )
|| apply_filters( 'wpseo_sitemap_exclude_taxonomy', false, $taxonomy->name )
) {
$this->bad_sitemap = true;
return;
}
global $wpdb;
$output = '';
$steps = $this->max_entries;
$n = (int) $this->n;
$offset = ( $n > 1 ) ? ( ( $n - 1 ) * $this->max_entries ) : 0;
/**
* Filter: 'wpseo_sitemap_exclude_empty_terms' - Allow people to include empty terms in sitemap
*
* @api bool $hide_empty Whether or not to hide empty terms, defaults to true.
*
* @param object $taxonomy The taxonomy we're getting terms for.
*/
$hide_empty = apply_filters( 'wpseo_sitemap_exclude_empty_terms', true, $taxonomy );
$terms = get_terms( $taxonomy->name, array( 'hide_empty' => $hide_empty ) );
$terms = array_splice( $terms, $offset, $steps );
if ( is_array( $terms ) && $terms !== array() ) {
foreach ( $terms as $c ) {
$url = array();
$tax_noindex = WPSEO_Taxonomy_Meta::get_term_meta( $c, $c->taxonomy, 'noindex' );
$tax_sitemap_inc = WPSEO_Taxonomy_Meta::get_term_meta( $c, $c->taxonomy, 'sitemap_include' );
if ( ( is_string( $tax_noindex ) && $tax_noindex === 'noindex' ) && ( ! is_string( $tax_sitemap_inc ) || $tax_sitemap_inc !== 'always' ) ) {
continue;
}
if ( $tax_sitemap_inc === 'never' ) {
continue;
}
$url['loc'] = WPSEO_Taxonomy_Meta::get_term_meta( $c, $c->taxonomy, 'canonical' );
if ( ! is_string( $url['loc'] ) || $url['loc'] === '' ) {
$url['loc'] = get_term_link( $c, $c->taxonomy );
if ( $this->options['trailingslash'] === true ) {
$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 = $wpdb->prepare(
"