File: /home/httpd/html/gayanimaltube.com/wp-content/plugins/wordpress-seo/inc/class-sitemaps.php
<?php
class WPSEO_Sitemaps {
/**
* Content of the sitemap to output.
*/
private $sitemap = '';
/**
* XSL stylesheet for styling a sitemap for web browsers
*/
private $stylesheet = '';
/**
* Flag to indicate if this is an invalid or empty sitemap.
*/
private $bad_sitemap = false;
function __construct() {
$options = get_option('wpseo_xml');
if ( !isset($options['enablexmlsitemap']) || !$options['enablexmlsitemap'] )
return;
add_action( 'init', array( $this, 'init' ) );
add_action( 'template_redirect', array( $this, 'redirect' ) );
add_filter( 'redirect_canonical', array( $this, 'canonical' ) );
add_action( 'transition_post_status', array( $this, 'status_transition' ), 10, 3 );
add_action( 'admin_init', array( $this, 'delete_sitemaps' ) );
add_action( 'wpseo_hit_sitemap_index', array( $this, 'hit_sitemap_index' ) );
// default stylesheet
$this->stylesheet = '<?xml-stylesheet type="text/xsl" href="'.WPSEO_FRONT_URL.'css/xml-sitemap.xsl"?>';
}
/**
* 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' );
}
/**
* 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
*/
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;
}
/**
* 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 ) {
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 = '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\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 ( in_array( $post_type, array('revision','nav_menu_item','attachment') ) )
continue;
if ( isset($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 .= '<sitemap>' . "\n";
$this->sitemap .= '<loc>' . home_url( $base . $post_type . '-sitemap' . $count . '.xml' ) . '</loc>' . "\n";
$this->sitemap .= '<lastmod>' . htmlspecialchars( $date ) . '</lastmod>' . "\n";
$this->sitemap .= '</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 .= '<sitemap>' . "\n";
$this->sitemap .= '<loc>' . home_url( $base . $tax . '-sitemap.xml' ) . '</loc>' . "\n";
$this->sitemap .= '<lastmod>' . htmlspecialchars( $date ) . '</lastmod>' . "\n";
$this->sitemap .= '</sitemap>' . "\n";
}
// allow other plugins to add their sitemaps to the index
$this->sitemap .= apply_filters( 'wpseo_sitemap_index', '' );
$this->sitemap .= '</sitemapindex>';
}
/**
* 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 == 'page' ) {
$output .= $this->sitemap_url( array(
'loc' => home_url('/'),
'pri' => 1,
'chf' => 'daily',
) );
} else if ( ! $front_id && ( $post_type == 'post' || $post_type == 'page' ) ) {
$output .= $this->sitemap_url( array(
'loc' => home_url('/'),
'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;
$typecount = $wpdb->get_var("SELECT COUNT(ID) FROM $wpdb->posts WHERE post_status = 'publish' AND post_password = '' AND post_type = '$post_type'");
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();
$images_in_sitemap = isset($options['xml_include_images']) && $options['xml_include_images'];
$stackedurls = array();
// If we're not going to include images, we might as well save ourselves the memory of grabbing post_content.
$post_content_query = $images_in_sitemap ? 'post_content,' : '';
$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 ) {
$posts = $wpdb->get_results("SELECT ID, $post_content_query post_name, post_author, post_parent, post_modified_gmt, post_date, post_date_gmt
FROM $wpdb->posts
WHERE post_status = 'publish'
AND post_password = ''
AND post_type = '$post_type'
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 ( $p->ID == $front_id )
continue;
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';
if ( wpseo_get_value('canonical', $p->ID) && wpseo_get_value('canonical', $p->ID) != '' ) {
$url['loc'] = wpseo_get_value('canonical', $p->ID);
} else {
$url['loc'] = get_permalink( $p );
if ( isset($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 ( $images_in_sitemap ) {
$url['images'] = array();
if ( preg_match_all( '/<img [^>]+>/', $p->post_content, $matches ) ) {
foreach ( $matches[0] as $img ) {
// FIXME: get true caption instead of alt / title
if ( preg_match( '/src=("|\')([^"|\']+)("|\')/', $img, $match ) ) {
$src = $match[2];
if ( strpos($src, 'http') !== 0 ) {
if ( $src[0] != '/' )
continue;
$src = get_bloginfo('url') . $src;
}
if ( $src != esc_url( $src ) )
continue;
if ( isset( $url['images'][$src] ) )
continue;
$image = array();
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] );
$url['images'][$src] = $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 = '<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ';
if ( $images_in_sitemap )
$this->sitemap .= '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 . '</urlset>';
}
/**
* 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 = '<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ';
$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 . '</urlset>';
}
/**
* 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 '<?xml version="1.0" encoding="'.get_bloginfo('charset').'"?>';
if ( $this->stylesheet )
echo $this->stylesheet . "\n";
echo $this->sitemap;
echo "\n" . '<!-- XML Sitemap generated by Yoast WordPress SEO -->';
if ( WP_DEBUG )
echo "\n" . '<!-- Built in ' . timer_stop() . ' seconds | ' . memory_get_peak_usage() . ' | ' . count($GLOBALS['wpdb']->queries) . ' -->';
}
/**
* Build the <url> tag for a given URL.
*
* @param array $url Array of parts that make up this entry
*/
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<url>\n";
$output .= "\t\t<loc>".$url['loc']."</loc>\n";
$output .= "\t\t<lastmod>".$date."</lastmod>\n";
$output .= "\t\t<changefreq>".$url['chf']."</changefreq>\n";
$output .= "\t\t<priority>".str_replace(',','.',$url['pri'])."</priority>\n";
if ( isset($url['images']) && count($url['images']) > 0 ) {
foreach( $url['images'] as $src => $img ) {
$output .= "\t\t<image:image>\n";
$output .= "\t\t\t<image:loc>".htmlspecialchars( $src )."</image:loc>\n";
if ( isset($img['title']) )
$output .= "\t\t\t<image:title>".htmlspecialchars( $img['title'] )."</image:title>\n";
if ( isset($img['alt']) )
$output .= "\t\t\t<image:caption>".htmlspecialchars( $img['alt'] )."</image:caption>\n";
$output .= "\t\t</image:image>\n";
}
}
$output .= "\t</url>\n";
return $output;
}
/**
* Notify search engines of the updated sitemap.
*/
function ping_search_engines() {
$options = get_wpseo_options();
$base = $GLOBALS['wp_rewrite']->using_index_permalinks() ? 'index.php/' : '';
$sitemapurl = urlencode( home_url( $base . 'sitemap_index.xml' ) );
if ( isset($options['xml_ping_google']) && $options['xml_ping_google'] )
wp_remote_get('http://www.google.com/webmasters/tools/ping?sitemap='.$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_bing']) && $options['xml_ping_bing'] )
wp_remote_get('http://www.bing.com/webmaster/ping.aspx?sitemap='.$sitemapurl);
if ( isset($options['xml_ping_ask']) && $options['xml_ping_ask'] )
wp_remote_get('http://submissions.ask.com/ping?sitemap='.$sitemapurl);
}
/**
* Hooked into transition_post_status. Will initiate search engine pings
* if the post is being published, is a post type that a sitemap is built for
* and is a post that is included in sitemaps.
*
* @todo Potentially schedule a cron event instead so that pinging runs in the background.
*/
function status_transition( $new_status, $old_status, $post ) {
if ( $new_status != 'publish' )
return;
wp_cache_delete( 'lastpostmodified:gmt:' . $post->post_type, 'timeinfo' ); // #17455
$options = get_wpseo_options();
if ( isset($options['post_types-'.$post->post_type.'-not_in_sitemap']) && $options['post_types-'.$post->post_type.'-not_in_sitemap'] )
return;
if ( WP_CACHE )
wp_schedule_single_event( time(), 'wpseo_hit_sitemap_index' );
if ( wpseo_get_value( 'sitemap-include', $post->ID ) != 'never' )
$this->ping_search_engines();
}
/**
* 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
*/
function canonical( $redirect ) {
$sitemap = get_query_var( 'sitemap' );
if ( ! empty( $sitemap ) )
return false;
return $redirect;
}
/**
* Remove sitemaps residing on disk as they will block our rewrite.
*/
function delete_sitemaps() {
$options = get_option( 'wpseo' );
if ( isset($options['enablexmlsitemap']) && $options['enablexmlsitemap'] ) {
$file = ABSPATH . 'sitemap_index.xml';
if ( ( ! isset($options['blocking_files']) || ! is_array( $options['blocking_files'] ) || ! in_array( $file, $options['blocking_files'] ) ) &&
file_exists( $file )
) {
if ( ! is_array( $options['blocking_files'] ) )
$options['blocking_files'] = array();
$options['blocking_files'][] = $file;
update_option( 'wpseo', $options );
}
}
}
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;
}
}
$wpseo_sitemaps = new WPSEO_Sitemaps();