s_object( $current_user ) )
			$reporter = $current_user->user_login;

		// Assumption alert:
		// We want to submit comments to Akismet only when a moderator explicitly spams or approves it - not if the status
		// is changed automatically by another plugin.  Unfortunately WordPress doesn't provide an unambiguous way to
		// determine why the transition_comment_status action was triggered.  And there are several different ways by which
		// to spam and unspam comments: bulk actions, ajax, links in moderation emails, the dashboard, and perhaps others.
		// We'll assume that this is an explicit user action if certain POST/GET variables exist.
		if ( ( isset( $_POST['status'] ) && in_array( $_POST['status'], array( 'spam', 'unspam' ) ) ) ||
			 ( isset( $_POST['spam'] )   && (int) $_POST['spam'] == 1 ) ||
			 ( isset( $_POST['unspam'] ) && (int) $_POST['unspam'] == 1 ) ||
			 ( isset( $_POST['comment_status'] )  && in_array( $_POST['comment_status'], array( 'spam', 'unspam' ) ) ) ||
			 ( isset( $_GET['action'] )  && in_array( $_GET['action'], array( 'spam', 'unspam' ) ) ) ||
			 ( isset( $_POST['action'] ) && in_array( $_POST['action'], array( 'editedcomment' ) ) )
		 ) {
			if ( $new_status == 'spam' && ( $old_status == 'approved' || $old_status == 'unapproved' || !$old_status ) ) {
				return self::submit_spam_comment( $comment->comment_ID );
			} elseif ( $old_status == 'spam' && ( $new_status == 'approved' || $new_status == 'unapproved' ) ) {
				return self::submit_nonspam_comment( $comment->comment_ID );
			}
		}

		self::update_comment_history( $comment->comment_ID, sprintf( __('%1$s changed the comment status to %2$s', 'akismet'), $reporter, $new_status ), 'status-' . $new_status );
	}
	
	public static function submit_spam_comment( $comment_id ) {
		global $wpdb, $current_user, $current_site;

		$comment_id = (int) $comment_id;

		$comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->comments} WHERE comment_ID = %d", $comment_id ) );

		if ( !$comment ) // it was deleted
			return;

		if ( 'spam' != $comment->comment_approved )
			return;

		// use the original version stored in comment_meta if available
		$as_submitted = get_comment_meta( $comment_id, 'akismet_as_submitted', true);

		if ( $as_submitted && is_array( $as_submitted ) && isset( $as_submitted['comment_content'] ) )
			$comment = (object) array_merge( (array)$comment, $as_submitted );

		$comment->blog         = get_bloginfo('url');
		$comment->blog_lang    = get_locale();
		$comment->blog_charset = get_option('blog_charset');
		$comment->permalink    = get_permalink($comment->comment_post_ID);

		if ( is_object($current_user) )
			$comment->reporter = $current_user->user_login;

		if ( is_object($current_site) )
			$comment->site_domain = $current_site->domain;

		$comment->user_role = '';
		if ( isset( $comment->user_ID ) )
			$comment->user_role = Akismet::get_user_roles( $comment->user_ID );

		if ( self::is_test_mode() )
			$comment->is_test = 'true';

		$post = get_post( $comment->comment_post_ID );
		$comment->comment_post_modified_gmt = $post->post_modified_gmt;

		$response = Akismet::http_post( Akismet::build_query( $comment ), 'submit-spam' );
		if ( $comment->reporter ) {
			self::update_comment_history( $comment_id, sprintf( __('%s reported this comment as spam', 'akismet'), $comment->reporter ), 'report-spam' );
			update_comment_meta( $comment_id, 'akismet_user_result', 'true' );
			update_comment_meta( $comment_id, 'akismet_user', $comment->reporter );
		}

		do_action('akismet_submit_spam_comment', $comment_id, $response[1]);
	}

	public static function submit_nonspam_comment( $comment_id ) {
		global $wpdb, $current_user, $current_site;

		$comment_id = (int) $comment_id;

		$comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->comments} WHERE comment_ID = %d", $comment_id ) );
		if ( !$comment ) // it was deleted
			return;

		// use the original version stored in comment_meta if available
		$as_submitted = get_comment_meta( $comment_id, 'akismet_as_submitted', true);

		if ( $as_submitted && is_array($as_subges
		 * children_pages is two dimensional array, eg.
		 * children_pages[10][] contains all sub-pages whose parent is 10.
		 * It only takes O( N ) to arrange this and it takes O( 1 ) for subsequent lookup operations
		 * If searching, ignore hierarchy and treat everything as top level
		 */
		if ( empty( $_REQUEST['s'] ) ) {
			$top_level_pages = [];
			$children_pages  = [];
			$pages_map       = [];

			foreach ( $pages as $page ) {

				// Catch and repair bad pages.
				if ( $page->post_parent === $page->ID ) {
					$page->post_parent = 0;
				}

				if ( $page->post_parent === 0 ) {
					$top_level_pages[] = $page;
				}
				else {
					$children_pages[ $page->post_parent ][] = $page;
				}
				$pages_map[ $page->ID ] = $page;
			}

			$pages = &$top_level_pages;
		}

		$count      = 0;
		$start      = ( ( $pagenum - 1 ) * $per_page );
		$end        = ( $start + $per_page );
		$to_display = [];

		foreach ( $pages as $page ) {
			if ( $count >= $end ) {
				break;
			}

			if ( $count >= $start ) {
				$to_display[] = $page->ID;
			}

			++$count;

			$this->get_child_page_ids( $children_pages, $count, $page->ID, $start, $end, $to_display, $pages_map );
		}

		// If it is the last pagenum and there are orphaned pages, display them with paging as well.
		if ( isset( $children_pages ) && $count < $end ) {
			foreach ( $children_pages as $orphans ) {
				foreach ( $orphans as $op ) {
					if ( $count >= $end ) {
						break;
					}

					if ( $count >= $start ) {
						$to_display[] = $op->ID;
					}

					++$count;
				}
			}
		}

		return $to_display;
	}

	/**
	 * Adds all child pages due to be shown on the current page to the $to_display array.
	 * Copied over with some changes from WP_Posts_List_Table::_page_rows.
	 *
	 * @param array $children_pages The full map of child pages.
	 * @param int   $count          The number of pages already processed.
	 * @param int   $parent_id      The id of the parent that's currently being processed.
	 * @param int   $start          The number at which the current overview starts.
	 * @param int   $end            The number at which the current overview ends.
	 * @param int   $to_display     The page IDs to be shown.
	 * @param int   $pages_map      A map of page ID to an object with ID and post_parent.
	 *
	 * @return void
	 */
	private function get_child_page_ids( &$children_pages, &$count, $parent_id, $start, $end, &$to_display, &$pages_map ) {
		if ( ! isset( $children_pages[ $parent_id ] ) ) {
			return;
		}

		foreach ( $children_pages[ $parent_id ] as $page ) {
			if ( $count >= $end ) {
				break;
			}

			// If the page starts in a subtree, print the parents.
			if ( $count === $start && $page->post_parent > 0 ) {
				$my_parents = [];
				$my_parent  = $page->post_parent;
				while ( $my_parent ) {
					// Get the ID from the list or the attribute if my_parent is an object.
					$parent_id = $my_parent;
					if ( \is_object( $my_parent ) ) {
						$parent_id = $my_parent->ID;
					}

					$my_parent    = $pages_map[ $parent_id ];
					$my_parents[] = $my_parent;
					if ( ! $my_parent->post_parent ) {
						break;
					}
					$my_parent = $my_parent->post_parent;
				}
				while ( $my_parent = \array_pop( $my_parents ) ) {
					$to_display[] = $my_parent->ID;
				}
			}

			if ( $count >= $start ) {
				$to_display[] = $page->ID;
			}

			++$count;

			$this->get_child_page_ids( $children_pages, $count, $page->ID, $start, $end, $to_display, $pages_map );
		}

		unset( $children_pages[ $parent_id ] ); // Required in order to keep track of orphans.
	}
}
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<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
	<sitemap>
		<loc>https://testseite.muenster-ingolstadt.de/page-sitemap.xml</loc>
		<lastmod>2022-03-01T10:52:28+00:00</lastmod>
	</sitemap>
	<sitemap>
		<loc>https://testseite.muenster-ingolstadt.de/ecwd_calendar-sitemap.xml</loc>
		<lastmod>2021-09-10T14:03:27+00:00</lastmod>
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