modules/sitemaps/sitemaps.php ➔ jetpack_print_sitemap()

Complexity

Conditions	30
Paths	> 20000

Size

Total Lines	224
Code Lines	101

Duplication

Lines	6
Ratio	2.68 %

<?php
function jetpack_print_sitemap() {
	global $wpdb;

	$xml = get_transient( 'jetpack_sitemap' );

	if ( $xml ) {
		header( 'Content-Type: ' . jetpack_sitemap_content_type(), true );
		echo $xml;
		die();

The function jetpack_print_sitemap() contains an exit expression.

	}

	// Compatibility with PHP 5.3 and older
	if ( ! defined( 'ENT_XML1' ) ) {
		define( 'ENT_XML1', 16 );
	}

	/**
	 * Filter the post types that will be included in sitemap.
	 *
	 * @module sitemaps
	 *
	 * @since 3.9.0
	 *
	 * @param array $post_types Array of post types.
	 */
	$post_types    = apply_filters( 'jetpack_sitemap_post_types', array( 'post', 'page' ) );

Equals sign not aligned correctly; expected 1 space but found 4 spaces

	$post_types_in = array();
	foreach ( (array) $post_types as $post_type ) {
		$post_types_in[] = $wpdb->prepare( '%s', $post_type );
	}
	$post_types_in = join( ",", $post_types_in );

	// use direct query instead because get_posts was acting too heavy for our needs
	//$posts = get_posts( array( 'numberposts'=>1000, 'post_type'=>$post_types, 'post_status'=>'published' ) );
	$posts = $wpdb->get_results( "SELECT ID, post_type, post_modified_gmt, comment_count FROM $wpdb->posts WHERE post_status='publish' AND post_type IN ({$post_types_in}) ORDER BY post_modified_gmt DESC LIMIT 1000" );
	if ( empty( $posts ) ) {
		status_header( 404 );
	}
	header( 'Content-Type: ' . jetpack_sitemap_content_type() );
	$initstr = jetpack_sitemap_initstr( get_bloginfo( 'charset' ) );
	$tree    = simplexml_load_string( $initstr );
	// If we did not get a valid string, force UTF-8 and try again.
	if ( false === $tree ) {
		$initstr = jetpack_sitemap_initstr( 'UTF-8' );
		$tree    = simplexml_load_string( $initstr );
	}

	// Acquire necessary attachment data for all of the posts in a performant manner
	$attachment_parents = wp_list_pluck( $posts, 'ID' );
	$post_attachments   = array();
	while ( $sub_posts = array_splice( $attachment_parents, 0, 100 ) ) {
		$post_parents = implode( ',', array_map( 'intval', $sub_posts ) );

		// Get the attachment IDs for all posts. We need to see how many
		// attachments each post parent has and limit it to 5.
		$query                = "SELECT ID, post_parent FROM {$wpdb->posts} WHERE post_parent IN ({$post_parents}) AND post_type='attachment' AND ( post_mime_type='image/jpeg' OR post_mime_type='image/png' ) LIMIT 0,1000;";
		$all_attachments      = $wpdb->get_results( $query );
		$selected_attachments = array();
		$attachment_count     = array();

		foreach ( $all_attachments as $attachment ) {
			if ( ! isset( $attachment_count[ $attachment->post_parent ] ) ) {
				$attachment_count[ $attachment->post_parent ] = 0;
			}

			// Skip this particular attachment if we already have 5 for the post
			if ( $attachment_count[ $attachment->post_parent ] >= 5 ) {
				continue;
			}

			$selected_attachments[] = $attachment->ID;
			$attachment_count[ $attachment->post_parent ] ++;
		}

		// bail if there weren't any attachments to avoid an extra query
		if ( empty( $selected_attachments ) ) {
			continue;
		}

		// Get more of the attachment object for the attachments we actually care about
		$attachment_ids   = implode( ',', array_map( 'intval', $selected_attachments ) );
		$query            = "SELECT p.ID, p.post_parent, p.post_title, p.post_excerpt, p.guid FROM {$wpdb->posts} as p WHERE p.ID IN ({$attachment_ids}) AND p.post_type='attachment' AND ( p.post_mime_type='image/jpeg' OR p.post_mime_type='image/png' ) LIMIT 500;";
		$attachments      = $wpdb->get_results( $query );
		$post_attachments = array_merge( $post_attachments, $attachments );
	}

	unset( $initstr );
	$latest_mod = '';
	foreach ( $posts as $post ) {

		/**
		 * Filter condition to allow skipping specific posts in sitemap.
		 *
		 * @module sitemaps
		 *
		 * @since 3.9.0
		 *
		 * @param bool $skip Current boolean. False by default, so no post is skipped.
		 * @param WP_POST $post Current post object.
		 */
		if ( apply_filters( 'jetpack_sitemap_skip_post', false, $post ) ) {
			continue;
		}

		$post_latest_mod = null;
		$url             = array( 'loc' => esc_url( get_permalink( $post->ID ) ) );

		// If this post is configured to be the site home, skip since it's added separately later
		if ( untrailingslashit( get_permalink( $post->ID ) ) == untrailingslashit( get_option( 'home' ) ) ) {
			continue;
		}

		// Mobile node specified in http://support.google.com/webmasters/bin/answer.py?hl=en&answer=34648
		$url['mobile:mobile'] = '';

		// Image node specified in http://support.google.com/webmasters/bin/answer.py?hl=en&answer=178636
		// These attachments were produced with batch SQL earlier in the script
		if ( ! post_password_required( $post->ID ) && $attachments = wp_filter_object_list( $post_attachments, array( 'post_parent' => $post->ID ) ) ) {

			$url['image:image'] = array();

			foreach ( $attachments as $attachment ) {
				$attachment_url = wp_get_attachment_url( $attachment->ID );

				if ( $attachment_url ) {
					$url['image:image']['loc'] = esc_url( $attachment_url );
				}

				// Only include title if not empty.
				/** This filter is documented in wp-includes/feed.php */
				if ( $attachment_title = apply_filters( 'the_title_rss', $attachment->post_title ) ) {
					$url['image:image']['title'] = html_entity_decode( esc_html( $attachment_title ), ENT_XML1 );
				}

				// Only include caption if not empty.
				/** This filter is documented in wp-includes/feed.php */
				if ( $attachment_caption = apply_filters( 'the_excerpt_rss', $attachment->post_excerpt ) ) {
					$url['image:image']['caption'] = html_entity_decode( esc_html( $attachment_caption ), ENT_XML1 );
				}
			}
		}

		if ( $post->post_modified_gmt && $post->post_modified_gmt != '0000-00-00 00:00:00' ) {
			$post_latest_mod = $post->post_modified_gmt;
		}
		if ( $post->comment_count > 0 ) {
			// last modified based on last comment
			$latest_comment_datetime = jetpack_get_approved_comments_max_datetime( $post->ID );
			if ( ! empty( $latest_comment_datetime ) ) {
				if ( is_null( $post_latest_mod ) || $latest_comment_datetime > $post_latest_mod ) {
					$post_latest_mod = $latest_comment_datetime;
				}
			}
			unset( $latest_comment_datetime );
		}
		if ( ! empty( $post_latest_mod ) ) {
			$latest_mod     = max( $latest_mod, $post_latest_mod );
			$url['lastmod'] = jetpack_w3cdate_from_mysql( $post_latest_mod );
		}
		unset( $post_latest_mod );
		if ( $post->post_type == 'page' ) {
			$url['changefreq'] = 'weekly';
			$url['priority']   = '0.6'; // set page priority above default priority of 0.5
		} else {
			$url['changefreq'] = 'monthly';
		}
		/**
		 * Filter associative array with data to build <url> node and its descendants for current post.
		 *
		 * @module sitemaps
		 *
		 * @since 3.9.0
		 *
		 * @param array $url Data to build parent and children nodes for current post.
		 * @param int $post_id Current post ID.
		 */
		$url_node = apply_filters( 'jetpack_sitemap_url', $url, $post->ID );
		jetpack_sitemap_array_to_simplexml( array( 'url' => $url_node ), $tree );
		unset( $url );
	}
	$blog_home = array(
		'loc'        => esc_url( get_option( 'home' ) ),
		'changefreq' => 'daily',
		'priority'   => '1.0'
	);
	if ( ! empty( $latest_mod ) ) {
		$blog_home['lastmod'] = jetpack_w3cdate_from_mysql( $latest_mod );
		header( 'Last-Modified:' . mysql2date( 'D, d M Y H:i:s', $latest_mod, 0 ) . ' GMT' );
	}
	/**
	 * Filter associative array with data to build <url> node and its descendants for site home.
	 *
	 * @module sitemaps
	 *
	 * @since 3.9.0
	 *
	 * @param array $blog_home Data to build parent and children nodes for site home.
	 */
	$url_node = apply_filters( 'jetpack_sitemap_url_home', $blog_home );
	jetpack_sitemap_array_to_simplexml( array( 'url' => $url_node ), $tree );
	unset( $blog_home );

	/**
	 * Filter data before rendering it as XML.
	 *
	 * @module sitemaps
	 *
	 * @since 3.9.0
	 *
	 * @param SimpleXMLElement $tree Data tree for sitemap.
	 * @param string $latest_mod Date of last modification.
	 */
	$tree = apply_filters( 'jetpack_print_sitemap', $tree, $latest_mod );

	$xml = $tree->asXML();
	unset( $tree );
	if ( ! empty( $xml ) ) {
		set_transient( 'jetpack_sitemap', $xml, DAY_IN_SECONDS );
		echo $xml;
	}

	die();

The function jetpack_print_sitemap() contains an exit expression.

}

add_action( 'after_setup_theme', 'jetpack_sitemap_initialize' );