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/**
 * WordPress Export Administration Screen
 *
 * @package WordPress
 * @subpackage Administration
 */

/** Load WordPress Bootstrap */
require_once __DIR__ . '/admin.php';

if ( ! current_user_can( 'export' ) ) {
	wp_die( __( 'Sorry, you are not allowed to export the content of this site.' ) );
}

/** Load WordPress export API */
require_once ABSPATH . 'wp-admin/includes/export.php';

// Used in the HTML title tag.
$title = __( 'Export' );

/**
 * Display JavaScript on the page.
 *
 * @since 3.5.0
 */
function export_add_js() {
	?>
<script>
	jQuery( function($) {
		var form = $('#export-filters'),
			filters = form.find('.export-filters');
		filters.hide();
		form.find('input:radio').on( 'change', function() {
			filters.slideUp('fast');
			switch ( $(this).val() ) {
				case 'attachment': $('#attachment-filters').slideDown(); break;
				case 'posts': $('#post-filters').slideDown(); break;
				case 'pages': $('#page-filters').slideDown(); break;
			}
		});
	} );
</script>
	<?php
}
add_action( 'admin_head', 'export_add_js' );

get_current_screen()->add_help_tab(
	array(
		'id'      => 'overview',
		'title'   => __( 'Overview' ),
		'content' => '<p>' . __( 'You can export a file of your site&#8217;s content in order to import it into another installation or platform. The export file will be an XML file format called WXR. Posts, pages, comments, custom fields, categories, and tags can be included. You can choose for the WXR file to include only certain posts or pages by setting the dropdown filters to limit the export by category, author, date range by month, or publishing status.' ) . '</p>' .
			'<p>' . __( 'Once generated, your WXR file can be imported by another WordPress site or by another blogging platform able to access this format.' ) . '</p>',
	)
);

get_current_screen()->set_help_sidebar(
	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
	'<p>' . __( '<a href="https://wordpress.org/documentation/article/tools-export-screen/">Documentation on Export</a>' ) . '</p>' .
	'<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>'
);

// If the 'download' URL parameter is set, a WXR export file is baked and returned.
if ( isset( $_GET['download'] ) ) {
	$args = array();

if ( ! isset( $_GET['content'] ) || 'all' === $_GET['content'] ) {
		$args['content'] = 'all';
	} elseif ( 'posts' === $_GET['content'] ) {
		$args['content'] = 'post';

if ( $_GET['cat'] ) {
			$args['category'] = (int) $_GET['cat'];
		}

if ( $_GET['post_author'] ) {
			$args['author'] = (int) $_GET['post_author'];
		}

if ( $_GET['post_start_date'] || $_GET['post_end_date'] ) {
			$args['start_date'] = $_GET['post_start_date'];
			$args['end_date']   = $_GET['post_end_date'];
		}

if ( $_GET['post_status'] ) {
			$args['status'] = $_GET['post_status'];
		}
	} elseif ( 'pages' === $_GET['content'] ) {
		$args['content'] = 'page';

if ( $_GET['page_author'] ) {
			$args['author'] = (int) $_GET['page_author'];
		}

if ( $_GET['page_start_date'] || $_GET['page_end_date'] ) {
			$args['start_date'] = $_GET['page_start_date'];
			$args['end_date']   = $_GET['page_end_date'];
		}

if ( $_GET['page_status'] ) {
			$args['status'] = $_GET['page_status'];
		}
	} elseif ( 'attachment' === $_GET['content'] ) {
		$args['content'] = 'attachment';

if ( $_GET['attachment_start_date'] || $_GET['attachment_end_date'] ) {
			$args['start_date'] = $_GET['attachment_start_date'];
			$args['end_date']   = $_GET['attachment_end_date'];
		}
	} else {
		$args['content'] = $_GET['content'];
	}

/**
	 * Filters the export args.
	 *
	 * @since 3.5.0
	 *
	 * @param array $args The arguments to send to the exporter.
	 */
	$args = apply_filters( 'export_args', $args );

export_wp( $args );
	die();
}

require_once ABSPATH . 'wp-admin/admin-header.php';

/**
 * Creates the date options fields for exporting a given post type.
 *
 * @since 3.1.0
 *
 * @global wpdb      $wpdb      WordPress database abstraction object.
 * @global WP_Locale $wp_locale WordPress date and time locale object.
 *
 * @param string $post_type The post type. Default 'post'.
 */
function export_date_options( $post_type = 'post' ) {
	global $wpdb, $wp_locale;

$months = $wpdb->get_results(
		$wpdb->prepare(
			"SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
			FROM $wpdb->posts
			WHERE post_type = %s AND post_status != 'auto-draft'
			ORDER BY post_date DESC",
			$post_type
		)
	);

$month_count = count( $months );
	if ( ! $month_count || ( 1 === $month_count && 0 === (int) $months[0]->month ) ) {
		return;
	}

foreach ( $months as $date ) {
		if ( 0 === (int) $date->year ) {
			continue;
		}

$month = zeroise( $date->month, 2 );

printf(
			'<option value="%1$s">%2$s</option>',
			esc_attr( $date->year . '-' . $month ),
			$wp_locale->get_month( $month ) . ' ' . $date->year
		);
	}
}
?>

<p><label><input type="radio" name="content" value="posts" /> <?php _ex( 'Posts', 'post type general name' ); ?></label></p>
<ul id="post-filters" class="export-filters">
	<li>
		<label><span class="label-responsive"><?php _e( 'Categories:' ); ?></span>
		<?php wp_dropdown_categories( array( 'show_option_all' => __( 'All' ) ) ); ?>
		</label>
	</li>
	<li>
		<label><span class="label-responsive"><?php _e( 'Authors:' ); ?></span>
		<?php
		$authors = $wpdb->get_col( "SELECT DISTINCT post_author FROM {$wpdb->posts} WHERE post_type = 'post'" );
		wp_dropdown_users(
			array(
				'include'         => $authors,
				'name'            => 'post_author',
				'multi'           => true,
				'show_option_all' => __( 'All' ),
				'show'            => 'display_name_with_login',
			)
		);
		?>
		</label>
	</li>
	<li>
		<fieldset>
		<legend class="screen-reader-text">
			<?php
			/* translators: Hidden accessibility text. */
			_e( 'Date range:' )
			?>
		</legend>
		<label for="post-start-date" class="label-responsive"><?php _e( 'Start date:' ); ?></label>
		<select name="post_start_date" id="post-start-date">
			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
			<?php export_date_options(); ?>
		</select>
		<label for="post-end-date" class="label-responsive"><?php _e( 'End date:' ); ?></label>
		<select name="post_end_date" id="post-end-date">
			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
			<?php export_date_options(); ?>
		</select>
		</fieldset>
	</li>
	<li>
		<label for="post-status" class="label-responsive"><?php _e( 'Status:' ); ?></label>
		<select name="post_status" id="post-status">
			<option value="0"><?php _e( 'All' ); ?></option>
			<?php
			$post_statuses = get_post_stati( array( 'internal' => false ), 'objects' );
			foreach ( $post_statuses as $status ) :
				?>
			<option value="<?php echo esc_attr( $status->name ); ?>"><?php echo esc_html( $status->label ); ?></option>
			<?php endforeach; ?>
		</select>
	</li>
</ul>

<p><label><input type="radio" name="content" value="pages" /> <?php _e( 'Pages' ); ?></label></p>
<ul id="page-filters" class="export-filters">
	<li>
		<label><span class="label-responsive"><?php _e( 'Authors:' ); ?></span>
		<?php
		$authors = $wpdb->get_col( "SELECT DISTINCT post_author FROM {$wpdb->posts} WHERE post_type = 'page'" );
		wp_dropdown_users(
			array(
				'include'         => $authors,
				'name'            => 'page_author',
				'multi'           => true,
				'show_option_all' => __( 'All' ),
				'show'            => 'display_name_with_login',
			)
		);
		?>
		</label>
	</li>
	<li>
		<fieldset>
		<legend class="screen-reader-text">
			<?php
			/* translators: Hidden accessibility text. */
			_e( 'Date range:' );
			?>
		</legend>
		<label for="page-start-date" class="label-responsive"><?php _e( 'Start date:' ); ?></label>
		<select name="page_start_date" id="page-start-date">
			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
			<?php export_date_options( 'page' ); ?>
		</select>
		<label for="page-end-date" class="label-responsive"><?php _e( 'End date:' ); ?></label>
		<select name="page_end_date" id="page-end-date">
			<option value="0"><?php _e( '&mdash; Select &mdash;' ); ?></option>
			<?php export_date_options( 'page' ); ?>
		</select>
		</fieldset>
	</li>
	<li>
		<label for="page-status" class="label-responsive"><?php _e( 'Status:' ); ?></label>
		<select name="page_status" id="page-status">
			<option value="0"><?php _e( 'All' ); ?></option>
			<?php foreach ( $post_statuses as $status ) : ?>
			<option value="<?php echo esc_attr( $status->name ); ?>"><?php echo esc_html( $status->label ); ?></option>
			<?php endforeach; ?>
		</select>
	</li>
</ul>

<?php
foreach ( get_post_types(
	array(
		'_builtin'   => false,
		'can_export' => true,
	),
	'objects'
) as $post_type ) :
	?>
<p><label><input type="radio" name="content" value="<?php echo esc_attr( $post_type->name ); ?>" /> <?php echo esc_html( $post_type->label ); ?></label></p>
<?php endforeach; ?>

</fieldset>
<?php
/**
 * Fires at the end of the export filters form.
 *
 * @since 3.5.0
 */
do_action( 'export_filters' );
?>

<?php submit_button( __( 'Download Export File' ) ); ?>
</form>
</div>

<?php require_once ABSPATH . 'wp-admin/admin-footer.php'; ?>
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/**
 * WordPress Export Administration API
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * Version number for the export format.
 *
 * Bump this when something changes that might affect compatibility.
 *
 * @since 2.5.0
 */
define( 'WXR_VERSION', '1.2' );

/**
 * Generates the WXR export file for download.
 *
 * Default behavior is to export all content, however, note that post content will only
 * be exported for post types with the `can_export` argument enabled. Any posts with the
 * 'auto-draft' status will be skipped.
 *
 * @since 2.1.0
 * @since 5.7.0 Added the `post_modified` and `post_modified_gmt` fields to the export file.
 *
 * @global wpdb    $wpdb WordPress database abstraction object.
 * @global WP_Post $post Global post object.
 *
 * @param array $args {
 *     Optional. Arguments for generating the WXR export file for download. Default empty array.
 *
 *     @type string $content    Type of content to export. If set, only the post content of this post type
 *                              will be exported. Accepts 'all', 'post', 'page', 'attachment', or a defined
 *                              custom post. If an invalid custom post type is supplied, every post type for
 *                              which `can_export` is enabled will be exported instead. If a valid custom post
 *                              type is supplied but `can_export` is disabled, then 'posts' will be exported
 *                              instead. When 'all' is supplied, only post types with `can_export` enabled will
 *                              be exported. Default 'all'.
 *     @type string $author     Author to export content for. Only used when `$content` is 'post', 'page', or
 *                              'attachment'. Accepts false (all) or a specific author ID. Default false (all).
 *     @type string $category   Category (slug) to export content for. Used only when `$content` is 'post'. If
 *                              set, only post content assigned to `$category` will be exported. Accepts false
 *                              or a specific category slug. Default is false (all categories).
 *     @type string $start_date Start date to export content from. Expected date format is 'Y-m-d'. Used only
 *                              when `$content` is 'post', 'page' or 'attachment'. Default false (since the
 *                              beginning of time).
 *     @type string $end_date   End date to export content to. Expected date format is 'Y-m-d'. Used only when
 *                              `$content` is 'post', 'page' or 'attachment'. Default false (latest publish date).
 *     @type string $status     Post status to export posts for. Used only when `$content` is 'post' or 'page'.
 *                              Accepts false (all statuses except 'auto-draft'), or a specific status, i.e.
 *                              'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', or
 *                              'trash'. Default false (all statuses except 'auto-draft').
 * }
 */
function export_wp( $args = array() ) {
	global $wpdb, $post;

$defaults = array(
		'content'    => 'all',
		'author'     => false,
		'category'   => false,
		'start_date' => false,
		'end_date'   => false,
		'status'     => false,
	);
	$args     = wp_parse_args( $args, $defaults );

/**
	 * Fires at the beginning of an export, before any headers are sent.
	 *
	 * @since 2.3.0
	 *
	 * @param array $args An array of export arguments.
	 */
	do_action( 'export_wp', $args );

$sitename = sanitize_key( get_bloginfo( 'name' ) );
	if ( ! empty( $sitename ) ) {
		$sitename .= '.';
	}
	$date        = gmdate( 'Y-m-d' );
	$wp_filename = $sitename . 'WordPress.' . $date . '.xml';
	/**
	 * Filters the export filename.
	 *
	 * @since 4.4.0
	 *
	 * @param string $wp_filename The name of the file for download.
	 * @param string $sitename    The site name.
	 * @param string $date        Today's date, formatted.
	 */
	$filename = apply_filters( 'export_wp_filename', $wp_filename, $sitename, $date );

header( 'Content-Description: File Transfer' );
	header( 'Content-Disposition: attachment; filename=' . $filename );
	header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true );

if ( 'all' !== $args['content'] && post_type_exists( $args['content'] ) ) {
		$ptype = get_post_type_object( $args['content'] );
		if ( ! $ptype->can_export ) {
			$args['content'] = 'post';
		}

$where = $wpdb->prepare( "{$wpdb->posts}.post_type = %s", $args['content'] );
	} else {
		$post_types = get_post_types( array( 'can_export' => true ) );
		$esses      = array_fill( 0, count( $post_types ), '%s' );

// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
		$where = $wpdb->prepare( "{$wpdb->posts}.post_type IN (" . implode( ',', $esses ) . ')', $post_types );
	}

if ( $args['status'] && ( 'post' === $args['content'] || 'page' === $args['content'] ) ) {
		$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_status = %s", $args['status'] );
	} else {
		$where .= " AND {$wpdb->posts}.post_status != 'auto-draft'";
	}

$join = '';
	if ( $args['category'] && 'post' === $args['content'] ) {
		$term = term_exists( $args['category'], 'category' );
		if ( $term ) {
			$join   = "INNER JOIN {$wpdb->term_relationships} ON ({$wpdb->posts}.ID = {$wpdb->term_relationships}.object_id)";
			$where .= $wpdb->prepare( " AND {$wpdb->term_relationships}.term_taxonomy_id = %d", $term['term_taxonomy_id'] );
		}
	}

if ( in_array( $args['content'], array( 'post', 'page', 'attachment' ), true ) ) {
		if ( $args['author'] ) {
			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_author = %d", $args['author'] );
		}

if ( $args['start_date'] ) {
			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date >= %s", gmdate( 'Y-m-d', strtotime( $args['start_date'] ) ) );
		}

if ( $args['end_date'] ) {
			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_date < %s", gmdate( 'Y-m-d', strtotime( '+1 month', strtotime( $args['end_date'] ) ) ) );
		}
	}

// Grab a snapshot of post IDs, just in case it changes during the export.
	$post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} $join WHERE $where" );

// Get IDs for the attachments of each post, unless all content is already being exported.
	if ( ! in_array( $args['content'], array( 'all', 'attachment' ), true ) ) {
		// Array to hold all additional IDs (attachments and thumbnails).
		$additional_ids = array();

// Create a copy of the post IDs array to avoid modifying the original array.
		$processing_ids = $post_ids;

while ( $next_posts = array_splice( $processing_ids, 0, 20 ) ) {
			$posts_in     = array_map( 'absint', $next_posts );
			$placeholders = array_fill( 0, count( $posts_in ), '%d' );

// Create a string for the placeholders.
			$in_placeholder = implode( ',', $placeholders );

// Prepare the SQL statement for attachment ids.
			$attachment_ids = $wpdb->get_col(
				$wpdb->prepare(
					"
				SELECT ID
				FROM $wpdb->posts
				WHERE post_parent IN ($in_placeholder) AND post_type = 'attachment'
					",
					$posts_in
				)
			);

$thumbnails_ids = $wpdb->get_col(
				$wpdb->prepare(
					"
				SELECT meta_value
				FROM $wpdb->postmeta
				WHERE $wpdb->postmeta.post_id IN ($in_placeholder)
				AND $wpdb->postmeta.meta_key = '_thumbnail_id'
					",
					$posts_in
				)
			);

$additional_ids = array_merge( $additional_ids, $attachment_ids, $thumbnails_ids );
		}

// Merge the additional IDs back with the original post IDs after processing all posts
		$post_ids = array_unique( array_merge( $post_ids, $additional_ids ) );
	}

/*
	 * Get the requested terms ready, empty unless posts filtered by category
	 * or all content.
	 */
	$cats  = array();
	$tags  = array();
	$terms = array();
	if ( isset( $term ) && $term ) {
		$cat  = get_term( $term['term_id'], 'category' );
		$cats = array( $cat->term_id => $cat );
		unset( $term, $cat );
	} elseif ( 'all' === $args['content'] ) {
		$categories = (array) get_categories( array( 'get' => 'all' ) );
		$tags       = (array) get_tags( array( 'get' => 'all' ) );

$custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );
		$custom_terms      = (array) get_terms(
			array(
				'taxonomy' => $custom_taxonomies,
				'get'      => 'all',
			)
		);

// Put categories in order with no child going before its parent.
		while ( $cat = array_shift( $categories ) ) {
			if ( ! $cat->parent || isset( $cats[ $cat->parent ] ) ) {
				$cats[ $cat->term_id ] = $cat;
			} else {
				$categories[] = $cat;
			}
		}

// Put terms in order with no child going before its parent.
		while ( $t = array_shift( $custom_terms ) ) {
			if ( ! $t->parent || isset( $terms[ $t->parent ] ) ) {
				$terms[ $t->term_id ] = $t;
			} else {
				$custom_terms[] = $t;
			}
		}

unset( $categories, $custom_taxonomies, $custom_terms );
	}

/**
	 * Wraps given string in XML CDATA tag.
	 *
	 * @since 2.1.0
	 *
	 * @param string|null $str String to wrap in XML CDATA tag. May be null.
	 * @return string
	 */
	function wxr_cdata( $str ) {
		$str = (string) $str;

if ( ! wp_is_valid_utf8( $str ) ) {
			$str = utf8_encode( $str );
		}
		// $str = ent2ncr(esc_html($str));
		$str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';

return $str;
	}

/**
	 * Returns the URL of the site.
	 *
	 * @since 2.5.0
	 *
	 * @return string Site URL.
	 */
	function wxr_site_url() {
		if ( is_multisite() ) {
			// Multisite: the base URL.
			return network_home_url();
		} else {
			// WordPress (single site): the site URL.
			return get_bloginfo_rss( 'url' );
		}
	}

/**
	 * Outputs a cat_name XML tag from a given category object.
	 *
	 * @since 2.1.0
	 *
	 * @param WP_Term $category Category Object.
	 */
	function wxr_cat_name( $category ) {
		if ( empty( $category->name ) ) {
			return;
		}

echo '<wp:cat_name>' . wxr_cdata( $category->name ) . "</wp:cat_name>\n";
	}

/**
	 * Outputs a category_description XML tag from a given category object.
	 *
	 * @since 2.1.0
	 *
	 * @param WP_Term $category Category Object.
	 */
	function wxr_category_description( $category ) {
		if ( empty( $category->description ) ) {
			return;
		}

echo '<wp:category_description>' . wxr_cdata( $category->description ) . "</wp:category_description>\n";
	}

/**
	 * Outputs a tag_name XML tag from a given tag object.
	 *
	 * @since 2.3.0
	 *
	 * @param WP_Term $tag Tag Object.
	 */
	function wxr_tag_name( $tag ) {
		if ( empty( $tag->name ) ) {
			return;
		}

echo '<wp:tag_name>' . wxr_cdata( $tag->name ) . "</wp:tag_name>\n";
	}

/**
	 * Outputs a tag_description XML tag from a given tag object.
	 *
	 * @since 2.3.0
	 *
	 * @param WP_Term $tag Tag Object.
	 */
	function wxr_tag_description( $tag ) {
		if ( empty( $tag->description ) ) {
			return;
		}

echo '<wp:tag_description>' . wxr_cdata( $tag->description ) . "</wp:tag_description>\n";
	}

/**
	 * Outputs a term_name XML tag from a given term object.
	 *
	 * @since 2.9.0
	 *
	 * @param WP_Term $term Term Object.
	 */
	function wxr_term_name( $term ) {
		if ( empty( $term->name ) ) {
			return;
		}

echo '<wp:term_name>' . wxr_cdata( $term->name ) . "</wp:term_name>\n";
	}

/**
	 * Outputs a term_description XML tag from a given term object.
	 *
	 * @since 2.9.0
	 *
	 * @param WP_Term $term Term Object.
	 */
	function wxr_term_description( $term ) {
		if ( empty( $term->description ) ) {
			return;
		}

echo "\t\t<wp:term_description>" . wxr_cdata( $term->description ) . "</wp:term_description>\n";
	}

/**
	 * Outputs term meta XML tags for a given term object.
	 *
	 * @since 4.6.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param WP_Term $term Term object.
	 */
	function wxr_term_meta( $term ) {
		global $wpdb;

$termmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->termmeta WHERE term_id = %d", $term->term_id ) );

foreach ( $termmeta as $meta ) {
			/**
			 * Filters whether to selectively skip term meta used for WXR exports.
			 *
			 * Returning a truthy value from the filter will skip the current meta
			 * object from being exported.
			 *
			 * @since 4.6.0
			 *
			 * @param bool   $skip     Whether to skip the current piece of term meta. Default false.
			 * @param string $meta_key Current meta key.
			 * @param object $meta     Current meta object.
			 */
			if ( ! apply_filters( 'wxr_export_skip_termmeta', false, $meta->meta_key, $meta ) ) {
				printf( "\t\t<wp:termmeta>\n\t\t\t<wp:meta_key>%s</wp:meta_key>\n\t\t\t<wp:meta_value>%s</wp:meta_value>\n\t\t</wp:termmeta>\n", wxr_cdata( $meta->meta_key ), wxr_cdata( $meta->meta_value ) );
			}
		}
	}

/**
	 * Outputs list of authors with posts.
	 *
	 * @since 3.1.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int[] $post_ids Optional. Array of post IDs to filter the query by.
	 */
	function wxr_authors_list( ?array $post_ids = null ) {
		global $wpdb;

if ( ! empty( $post_ids ) ) {
			$post_ids       = array_map( 'absint', $post_ids );
			$post_id_chunks = array_chunk( $post_ids, 20 );
		} else {
			$post_id_chunks = array( array() );
		}

$authors = array();

foreach ( $post_id_chunks as $next_posts ) {
			$and = ! empty( $next_posts ) ? 'AND ID IN (' . implode( ', ', $next_posts ) . ')' : '';

$results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_status != 'auto-draft' $and" );

foreach ( (array) $results as $result ) {
				$authors[] = get_userdata( $result->post_author );
			}
		}

$authors = array_filter( $authors );
		$authors = array_unique( $authors, SORT_REGULAR ); // Remove duplicate authors.

foreach ( $authors as $author ) {
			echo "\t<wp:author>";
			echo '<wp:author_id>' . (int) $author->ID . '</wp:author_id>';
			echo '<wp:author_login>' . wxr_cdata( $author->user_login ) . '</wp:author_login>';
			echo '<wp:author_email>' . wxr_cdata( $author->user_email ) . '</wp:author_email>';
			echo '<wp:author_display_name>' . wxr_cdata( $author->display_name ) . '</wp:author_display_name>';
			echo '<wp:author_first_name>' . wxr_cdata( $author->first_name ) . '</wp:author_first_name>';
			echo '<wp:author_last_name>' . wxr_cdata( $author->last_name ) . '</wp:author_last_name>';
			echo "</wp:author>\n";
		}
	}

/**
	 * Outputs all navigation menu terms.
	 *
	 * @since 3.1.0
	 */
	function wxr_nav_menu_terms() {
		$nav_menus = wp_get_nav_menus();
		if ( empty( $nav_menus ) || ! is_array( $nav_menus ) ) {
			return;
		}

foreach ( $nav_menus as $menu ) {
			echo "\t<wp:term>";
			echo '<wp:term_id>' . (int) $menu->term_id . '</wp:term_id>';
			echo '<wp:term_taxonomy>nav_menu</wp:term_taxonomy>';
			echo '<wp:term_slug>' . wxr_cdata( $menu->slug ) . '</wp:term_slug>';
			wxr_term_name( $menu );
			echo "</wp:term>\n";
		}
	}

/**
	 * Outputs list of taxonomy terms, in XML tag format, associated with a post.
	 *
	 * @since 2.3.0
	 */
	function wxr_post_taxonomy() {
		$post = get_post();

$taxonomies = get_object_taxonomies( $post->post_type );
		if ( empty( $taxonomies ) ) {
			return;
		}
		$terms = wp_get_object_terms( $post->ID, $taxonomies );

foreach ( (array) $terms as $term ) {
			echo "\t\t<category domain=\"{$term->taxonomy}\" nicename=\"{$term->slug}\">" . wxr_cdata( $term->name ) . "</category>\n";
		}
	}

/**
	 * Determines whether to selectively skip post meta used for WXR exports.
	 *
	 * @since 3.3.0
	 *
	 * @param bool   $return_me Whether to skip the current post meta. Default false.
	 * @param string $meta_key  Meta key.
	 * @return bool
	 */
	function wxr_filter_postmeta( $return_me, $meta_key ) {
		if ( '_edit_lock' === $meta_key ) {
			$return_me = true;
		}
		return $return_me;
	}
	add_filter( 'wxr_export_skip_postmeta', 'wxr_filter_postmeta', 10, 2 );

echo '<?xml version="1.0" encoding="' . get_bloginfo( 'charset' ) . "\" ?>\n";

?>

<?php the_generator( 'export' ); ?>
<rss version="2.0"
	xmlns:excerpt="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/excerpt/"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:wp="http://wordpress.org/export/<?php echo WXR_VERSION; ?>/"
>

<?php wxr_authors_list( $post_ids ); ?>

<?php foreach ( $cats as $c ) : ?>
	<wp:category>
		<wp:term_id><?php echo (int) $c->term_id; ?></wp:term_id>
		<wp:category_nicename><?php echo wxr_cdata( $c->slug ); ?></wp:category_nicename>
		<wp:category_parent><?php echo wxr_cdata( $c->parent ? $cats[ $c->parent ]->slug : '' ); ?></wp:category_parent>
		<?php
		wxr_cat_name( $c );
		wxr_category_description( $c );
		wxr_term_meta( $c );
		?>
	</wp:category>
	<?php endforeach; ?>
	<?php foreach ( $tags as $t ) : ?>
	<wp:tag>
		<wp:term_id><?php echo (int) $t->term_id; ?></wp:term_id>
		<wp:tag_slug><?php echo wxr_cdata( $t->slug ); ?></wp:tag_slug>
		<?php
		wxr_tag_name( $t );
		wxr_tag_description( $t );
		wxr_term_meta( $t );
		?>
	</wp:tag>
	<?php endforeach; ?>
	<?php foreach ( $terms as $t ) : ?>
	<wp:term>
		<wp:term_id><?php echo (int) $t->term_id; ?></wp:term_id>
		<wp:term_taxonomy><?php echo wxr_cdata( $t->taxonomy ); ?></wp:term_taxonomy>
		<wp:term_slug><?php echo wxr_cdata( $t->slug ); ?></wp:term_slug>
		<wp:term_parent><?php echo wxr_cdata( $t->parent ? $terms[ $t->parent ]->slug : '' ); ?></wp:term_parent>
		<?php
		wxr_term_name( $t );
		wxr_term_description( $t );
		wxr_term_meta( $t );
		?>
	</wp:term>
	<?php endforeach; ?>
	<?php
	if ( 'all' === $args['content'] ) {
		wxr_nav_menu_terms();
	}
	?>

<?php
	/** This action is documented in wp-includes/feed-rss2.php */
	do_action( 'rss2_head' );
	?>

<?php
	if ( $post_ids ) {
		/**
		 * @global WP_Query $wp_query WordPress Query object.
		 */
		global $wp_query;

// Fake being in the loop.
		$wp_query->in_the_loop = true;

// Fetch 20 posts at a time rather than loading the entire table into memory.
		while ( $next_posts = array_splice( $post_ids, 0, 20 ) ) {
			$where = 'WHERE ID IN (' . implode( ',', $next_posts ) . ')';
			$posts = $wpdb->get_results( "SELECT * FROM {$wpdb->posts} $where" );

// Begin Loop.
			foreach ( $posts as $post ) {
				setup_postdata( $post );

/**
				 * Filters the post title used for WXR exports.
				 *
				 * @since 5.7.0
				 *
				 * @param string $post_title Title of the current post.
				 */
				$title = wxr_cdata( apply_filters( 'the_title_export', $post->post_title ) );

/**
				 * Filters the post content used for WXR exports.
				 *
				 * @since 2.5.0
				 *
				 * @param string $post_content Content of the current post.
				 */
				$content = wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) );

/**
				 * Filters the post excerpt used for WXR exports.
				 *
				 * @since 2.6.0
				 *
				 * @param string $post_excerpt Excerpt for the current post.
				 */
				$excerpt = wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) );

$is_sticky = is_sticky( $post->ID ) ? 1 : 0;
				?>
	<item>
		<title><?php echo $title; ?></title>
		<link><?php the_permalink_rss(); ?></link>
		<pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ); ?></pubDate>
		<dc:creator><?php echo wxr_cdata( get_the_author_meta( 'login' ) ); ?></dc:creator>
		<guid isPermaLink="false"><?php the_guid(); ?></guid>
		<description></description>
		<content:encoded><?php echo $content; ?></content:encoded>
		<excerpt:encoded><?php echo $excerpt; ?></excerpt:encoded>
		<wp:post_id><?php echo (int) $post->ID; ?></wp:post_id>
		<wp:post_date><?php echo wxr_cdata( $post->post_date ); ?></wp:post_date>
		<wp:post_date_gmt><?php echo wxr_cdata( $post->post_date_gmt ); ?></wp:post_date_gmt>
		<wp:post_modified><?php echo wxr_cdata( $post->post_modified ); ?></wp:post_modified>
		<wp:post_modified_gmt><?php echo wxr_cdata( $post->post_modified_gmt ); ?></wp:post_modified_gmt>
		<wp:comment_status><?php echo wxr_cdata( $post->comment_status ); ?></wp:comment_status>
		<wp:ping_status><?php echo wxr_cdata( $post->ping_status ); ?></wp:ping_status>
		<wp:post_name><?php echo wxr_cdata( $post->post_name ); ?></wp:post_name>
		<wp:status><?php echo wxr_cdata( $post->post_status ); ?></wp:status>
		<wp:post_parent><?php echo (int) $post->post_parent; ?></wp:post_parent>
		<wp:menu_order><?php echo (int) $post->menu_order; ?></wp:menu_order>
		<wp:post_type><?php echo wxr_cdata( $post->post_type ); ?></wp:post_type>
		<wp:post_password><?php echo wxr_cdata( $post->post_password ); ?></wp:post_password>
		<wp:is_sticky><?php echo (int) $is_sticky; ?></wp:is_sticky>
				<?php	if ( 'attachment' === $post->post_type ) : ?>
		<wp:attachment_url><?php echo wxr_cdata( wp_get_attachment_url( $post->ID ) ); ?></wp:attachment_url>
	<?php endif; ?>
				<?php wxr_post_taxonomy(); ?>
				<?php
				$postmeta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID ) );
				foreach ( $postmeta as $meta ) :
					/**
					 * Filters whether to selectively skip post meta used for WXR exports.
					 *
					 * Returning a truthy value from the filter will skip the current meta
					 * object from being exported.
					 *
					 * @since 3.3.0
					 *
					 * @param bool   $skip     Whether to skip the current post meta. Default false.
					 * @param string $meta_key Current meta key.
					 * @param object $meta     Current meta object.
					 */
					if ( apply_filters( 'wxr_export_skip_postmeta', false, $meta->meta_key, $meta ) ) {
						continue;
					}
					?>
		<wp:postmeta>
		<wp:meta_key><?php echo wxr_cdata( $meta->meta_key ); ?></wp:meta_key>
		<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
		</wp:postmeta>
					<?php
	endforeach;

$_comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );
				$comments  = array_filter(
					array_map( 'get_comment', $_comments ),
					static function ( $comment ) {
						return $comment instanceof WP_Comment;
					}
				);
				foreach ( $comments as $c ) :
					?>
		<wp:comment>
			<wp:comment_id><?php echo (int) $c->comment_ID; ?></wp:comment_id>
			<wp:comment_author><?php echo wxr_cdata( $c->comment_author ); ?></wp:comment_author>
			<wp:comment_author_email><?php echo wxr_cdata( $c->comment_author_email ); ?></wp:comment_author_email>
			<wp:comment_author_url><?php echo sanitize_url( $c->comment_author_url ); ?></wp:comment_author_url>
			<wp:comment_author_IP><?php echo wxr_cdata( $c->comment_author_IP ); ?></wp:comment_author_IP>
			<wp:comment_date><?php echo wxr_cdata( $c->comment_date ); ?></wp:comment_date>
			<wp:comment_date_gmt><?php echo wxr_cdata( $c->comment_date_gmt ); ?></wp:comment_date_gmt>
			<wp:comment_content><?php echo wxr_cdata( $c->comment_content ); ?></wp:comment_content>
			<wp:comment_approved><?php echo wxr_cdata( $c->comment_approved ); ?></wp:comment_approved>
			<wp:comment_type><?php echo wxr_cdata( $c->comment_type ); ?></wp:comment_type>
			<wp:comment_parent><?php echo (int) $c->comment_parent; ?></wp:comment_parent>
			<wp:comment_user_id><?php echo (int) $c->user_id; ?></wp:comment_user_id>
					<?php
					$c_meta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->commentmeta WHERE comment_id = %d", $c->comment_ID ) );
					foreach ( $c_meta as $meta ) :
						/**
						 * Filters whether to selectively skip comment meta used for WXR exports.
						 *
						 * Returning a truthy value from the filter will skip the current meta
						 * object from being exported.
						 *
						 * @since 4.0.0
						 *
						 * @param bool   $skip     Whether to skip the current comment meta. Default false.
						 * @param string $meta_key Current meta key.
						 * @param object $meta     Current meta object.
						 */
						if ( apply_filters( 'wxr_export_skip_commentmeta', false, $meta->meta_key, $meta ) ) {
							continue;
						}
						?>
	<wp:commentmeta>
	<wp:meta_key><?php echo wxr_cdata( $meta->meta_key ); ?></wp:meta_key>
			<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
			</wp:commentmeta>
					<?php	endforeach; ?>
		</wp:comment>
			<?php	endforeach; ?>
		</item>
				<?php
			}
		}
	}
	?>
</channel>
</rss>
	<?php
}
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Sid Gifari From Gifari Industries - BD Cyber Security Team