<?php

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/**

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* Sitemap-related constants.

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*

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* @package automattic/jetpack

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* @since 4.8.0

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* @author Automattic

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Number of seconds between sitemap and news sitemap updates in development code.

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* In production, sitemaps are cached for 12 hours.

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* In development, sitemaps are cache for 1 minute.

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*

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* @since 7.7.0

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*/

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if ( defined( 'JETPACK_DEV_DEBUG' ) && JETPACK_DEV_DEBUG ) {

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if ( ! defined( 'JP_SITEMAP_INTERVAL' ) ) {

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define( 'JP_SITEMAP_INTERVAL', 60 );

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}

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if ( ! defined( 'JP_NEWS_SITEMAP_INTERVAL' ) ) {

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define( 'JP_NEWS_SITEMAP_INTERVAL', 60 );

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}

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}

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/**

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* Maximum size (in bytes) of a sitemap xml file.

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* Max is 716800 = 700kb to avoid potential failures for default memcached limits (1MB)

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*

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* @link https://www.sitemaps.org/

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* @since 4.8.0

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*/

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if ( ! defined( 'JP_SITEMAP_MAX_BYTES' ) ) {

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define( 'JP_SITEMAP_MAX_BYTES', 716800 );

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}

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/**

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* Maximum size (in url nodes) of a sitemap xml file.

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* Per the spec, max value is 50000.

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*

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* @link https://www.sitemaps.org/

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* @since 4.8.0

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*/

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if ( ! defined( 'JP_SITEMAP_MAX_ITEMS' ) ) {

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define( 'JP_SITEMAP_MAX_ITEMS', 1000 );

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}

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/**

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* Maximum size (in url nodes) of a news sitemap xml file.

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* Per the spec, max value is 1000.

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*

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* @link https://support.google.com/news/publisher/answer/74288?hl=en

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* @since 4.8.0

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*/

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if ( ! defined( 'JP_NEWS_SITEMAP_MAX_ITEMS' ) ) {

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define( 'JP_NEWS_SITEMAP_MAX_ITEMS', 1000 );

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}

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/**

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* Batch size for database queries.

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*

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* @since 4.8.0

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*/

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if ( ! defined( 'JP_SITEMAP_BATCH_SIZE' ) ) {

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define( 'JP_SITEMAP_BATCH_SIZE', 50 );

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}

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/**

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* Number of sitemap files to update on each run.

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*

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* @since 4.8.0

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*/

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if ( ! defined( 'JP_SITEMAP_UPDATE_SIZE' ) ) {

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define( 'JP_SITEMAP_UPDATE_SIZE', 100 );

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}

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/**

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* Number of seconds between sitemap updates.

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*

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* @since 4.8.0

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*/

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if ( ! defined( 'JP_SITEMAP_INTERVAL' ) ) {

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define( 'JP_SITEMAP_INTERVAL', 12 * HOUR_IN_SECONDS );

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}

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/**

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* Number of seconds to lock the sitemap state.

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*

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* @since 4.8.0

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*/

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if ( ! defined( 'JP_SITEMAP_LOCK_INTERVAL' ) ) {

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define( 'JP_SITEMAP_LOCK_INTERVAL', 15 * MINUTE_IN_SECONDS );

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}

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/**

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* Number of seconds between news sitemap updates.

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*

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* @since 4.8.0

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*/

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if ( ! defined( 'JP_NEWS_SITEMAP_INTERVAL' ) ) {

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define( 'JP_NEWS_SITEMAP_INTERVAL', 12 * HOUR_IN_SECONDS );

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}

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/*

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* These constants represent the types of various kinds of sitemaps.

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* Note: these strings are used as 'post_types' in the database, and

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* so must be at most 20 characters long.

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*/

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if ( ! defined( 'JP_MASTER_SITEMAP_TYPE' ) ) {

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define( 'JP_MASTER_SITEMAP_TYPE', 'jp_sitemap_master' );

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}

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if ( ! defined( 'JP_PAGE_SITEMAP_TYPE' ) ) {

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define( 'JP_PAGE_SITEMAP_TYPE', 'jp_sitemap' );

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}

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if ( ! defined( 'JP_PAGE_SITEMAP_INDEX_TYPE' ) ) {

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define( 'JP_PAGE_SITEMAP_INDEX_TYPE', 'jp_sitemap_index' );

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}

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if ( ! defined( 'JP_IMAGE_SITEMAP_TYPE' ) ) {

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define( 'JP_IMAGE_SITEMAP_TYPE', 'jp_img_sitemap' );

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}

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if ( ! defined( 'JP_IMAGE_SITEMAP_INDEX_TYPE' ) ) {

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define( 'JP_IMAGE_SITEMAP_INDEX_TYPE', 'jp_img_sitemap_index' );

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}

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if ( ! defined( 'JP_VIDEO_SITEMAP_TYPE' ) ) {

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define( 'JP_VIDEO_SITEMAP_TYPE', 'jp_vid_sitemap' );

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}

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if ( ! defined( 'JP_VIDEO_SITEMAP_INDEX_TYPE' ) ) {

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define( 'JP_VIDEO_SITEMAP_INDEX_TYPE', 'jp_vid_sitemap_index' );

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}

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/**

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* The name (with extension) of a sitemap file of the given

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* type and number.

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*

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* @since 4.8.0

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*

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* @param string $type The sitemap type.

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* @param string $number The sitemap number.

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*

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* @return string The filename.

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*/

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function jp_sitemap_filename( $type, $number = null ) {

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if ( $number === null ) {

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return "error-not-int-$type-null.xml";

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} elseif ( JP_MASTER_SITEMAP_TYPE === $type ) {

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return 'sitemap.xml';

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} elseif ( JP_PAGE_SITEMAP_TYPE === $type ) {

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return "sitemap-$number.xml";

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} elseif ( JP_PAGE_SITEMAP_INDEX_TYPE === $type ) {

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return "sitemap-index-$number.xml";

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} elseif ( JP_IMAGE_SITEMAP_TYPE === $type ) {

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return "image-sitemap-$number.xml";

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} elseif ( JP_IMAGE_SITEMAP_INDEX_TYPE === $type ) {

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return "image-sitemap-index-$number.xml";

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} elseif ( JP_VIDEO_SITEMAP_TYPE === $type ) {

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return "video-sitemap-$number.xml";

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} elseif ( JP_VIDEO_SITEMAP_INDEX_TYPE === $type ) {

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return "video-sitemap-index-$number.xml";

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} else {

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return "error-bad-type-$type-$number.xml";

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}

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}

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/**

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* The index type corresponding to a sitemap type.

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*

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* @since 4.8.0

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*

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* @param string $type The sitemap type.

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*

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* @return string The index type.

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*/

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function jp_sitemap_index_type_of( $type ) {

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if ( JP_PAGE_SITEMAP_TYPE === $type ) {

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return JP_PAGE_SITEMAP_INDEX_TYPE;

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} elseif ( JP_IMAGE_SITEMAP_TYPE === $type ) {

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return JP_IMAGE_SITEMAP_INDEX_TYPE;

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} elseif ( JP_VIDEO_SITEMAP_TYPE === $type ) {

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return JP_VIDEO_SITEMAP_INDEX_TYPE;

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} else {

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return "error-bad-type-$type";

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}

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}

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/**

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* The sitemap type corresponding to an index type.

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*

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* @since 4.8.0

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*

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* @param string $type The index type.

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*

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* @return string The sitemap type.

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*/

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function jp_sitemap_child_type_of( $type ) {

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if ( JP_PAGE_SITEMAP_INDEX_TYPE === $type ) {

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return JP_PAGE_SITEMAP_TYPE;

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} elseif ( JP_IMAGE_SITEMAP_INDEX_TYPE === $type ) {

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return JP_IMAGE_SITEMAP_TYPE;

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} elseif ( JP_VIDEO_SITEMAP_INDEX_TYPE === $type ) {

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return JP_VIDEO_SITEMAP_TYPE;

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} else {

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return "error-bad-type-$type";

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}

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}

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/**

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* Convert '0000-00-00 00:00:00' to '0000-00-00T00:00:00Z'.

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* Note that the input is assumed to be in UTC (a.k.a. GMT).

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*

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* @link https://www.w3.org/TR/NOTE-datetime

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* @since 4.8.0

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*

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* @param string $datetime The timestamp to convert.

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*

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* @return string The converted timestamp.

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*/

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function jp_sitemap_datetime( $datetime ) {

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$regex = '/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/';

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if ( preg_match( $regex, $datetime ) ) {

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return str_replace( ' ', 'T', $datetime ) . 'Z';

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} else {

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return $datetime;

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}

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}

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