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✏️ Editing: template-xml-sitemaps-single.php

<?php
defined( 'ABSPATH' ) or die( 'Please don&rsquo;t call the plugin directly. Thanks :)' );

//XML

//Headers
if (function_exists('seopress_sitemaps_headers')) {
	seopress_sitemaps_headers();
}

//Remove primary category
remove_filter( 'post_link_category', 'seopress_titles_primary_cat_hook', 10, 3 );

//WPML
add_filter( 'wpml_get_home_url', 'seopress_remove_wpml_home_url_filter', 20, 5 );

add_filter( 'seopress_sitemaps_single_query', function( $args ) {
	global $sitepress, $sitepress_settings;

$sitepress_settings['auto_adjust_ids'] = 0;
	remove_filter( 'terms_clauses', [ $sitepress, 'terms_clauses' ] );
	remove_filter( 'category_link', [ $sitepress, 'category_link_adjust_id' ], 1 );

return $args;
});

add_action( 'the_post', function( $post ) {
	$language = apply_filters(
		'wpml_element_language_code',
		null,
		[ 'element_id' => $post->ID, 'element_type' => 'page' ]
	);
	do_action( 'wpml_switch_language', $language );
});

function seopress_xml_sitemap_single() {
	if( get_query_var( 'seopress_cpt') !== '' ) {
		$path = get_query_var( 'seopress_cpt');
	}

$offset = basename(parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH), ".xml");
	$offset = preg_match_all('/\d+/', $offset, $matches);
	$offset = end($matches[0]);

//Max posts per paginated sitemap
	$max = 1000;
	$max = apply_filters('seopress_sitemaps_max_posts_per_sitemap', $max);

if (isset($offset) && absint($offset) && $offset !='' && $offset !=0) {
		$offset = (($offset-1)*$max);
	} else {
		$offset = 0;
	}

$home_url = home_url().'/';
	
	if (function_exists('pll_home_url')) {
		$home_url = site_url().'/';
	}

$seopress_sitemaps = '<?xml version="1.0" encoding="UTF-8"?>';
	$seopress_sitemaps .='<?xml-stylesheet type="text/xsl" href="'.$home_url.'sitemaps_xsl.xsl"?>';
	$seopress_sitemaps .= "\n";
	$seopress_sitemaps .= apply_filters('seopress_sitemaps_urlset', '<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">' );
	$seopress_sitemaps .= "\n";

if (get_post_type_archive_link($path) ==true && $offset ==0) {
		function seopress_titles_cpt_noindex_option($path) {
			$seopress_titles_cpt_noindex_option = get_option("seopress_titles_option_name");
			if ( ! empty ( $seopress_titles_cpt_noindex_option ) ) {
				foreach ($seopress_titles_cpt_noindex_option as $key => $seopress_titles_cpt_noindex_value)
					$options[$key] = $seopress_titles_cpt_noindex_value;
					if (isset($seopress_titles_cpt_noindex_option['seopress_titles_archive_titles'][$path]['noindex'])) { 
					return $seopress_titles_cpt_noindex_option['seopress_titles_archive_titles'][$path]['noindex'];
					}
			}
		}
		if (seopress_titles_cpt_noindex_option($path) !='1') {
			$seopress_sitemap_url = '';
			// array with all the information needed for a sitemap url
			$seopress_url = [
				'loc' => htmlspecialchars(urldecode(get_post_type_archive_link($path))),
				'mod' => '',
				'images' => []
			];
			$seopress_sitemap_url .= '<url>';
			$seopress_sitemap_url .= "\n";
			$seopress_sitemap_url .= '<loc>';
			$seopress_sitemap_url .= htmlspecialchars(urldecode(get_post_type_archive_link($path)));
			$seopress_sitemap_url .= '</loc>';
			$seopress_sitemap_url .= "\n";
			$seopress_sitemap_url .= '</url>';
			$seopress_sitemap_url .= "\n";

$seopress_sitemaps .= apply_filters('seopress_sitemaps_url', $seopress_sitemap_url, $seopress_url);
		}
	}
	
	$args = [ 
		'posts_per_page' => 1000, 
		'offset' => $offset, 
		'order' => 'DESC', 
		'orderby' => 'modified', 
		'post_type' => $path, 
		'post_status' => 'publish', 
		'meta_query' => [
			'relation' => 'OR',
			[
				'key' => '_seopress_robots_index', 
				'value' => '', 
				'compare' => 'NOT EXISTS' 
			],
			[
				'key' => '_seopress_robots_index', 
				'value' => 'yes', 
				'compare' => '!=' 
			] 
		],
		'fields' => 'ids', 
		'lang' => '', 
		'has_password' => false 
	];

$args = apply_filters('seopress_sitemaps_single_query', $args, $path);

$postslist = get_posts( $args );

foreach ( $postslist as $post ) {
		setup_postdata( $post );
		
		$dom = '';
		$images = '';

if (get_the_modified_date('c', $post)) {
			$seopress_mod = get_the_modified_date('c', $post);
		} else {
			$seopress_mod = get_post_modified_time('c', false, $post);
		}

// initialize the sitemap url output
		$seopress_sitemap_url = '';
		// array with all the information needed for a sitemap url
		$seopress_url = [
			'loc' => htmlspecialchars(urldecode(get_permalink($post))),
			'mod' => $seopress_mod,
			'images' => []
		];

$seopress_sitemap_url .= '<url>';
		$seopress_sitemap_url .= "\n";
		$seopress_sitemap_url .= '<loc>';
		$seopress_sitemap_url .= $seopress_url['loc'];
		$seopress_sitemap_url .= '</loc>';
		$seopress_sitemap_url .= "\n";
		$seopress_sitemap_url .= '<lastmod>';
		$seopress_sitemap_url .= $seopress_url['mod'];
		$seopress_sitemap_url .= '';
		$seopress_sitemap_url .= '</lastmod>';
		$seopress_sitemap_url .= "\n";
					
					//XML Image Sitemaps
					if (seopress_xml_sitemap_img_enable_option() =='1') {

//noimageindex?
						if (get_post_meta($post,'_seopress_robots_imageindex',true) !='yes') {
						
							//Standard images
							if (get_post_field('post_content', $post) !='') {
								$dom = new domDocument;
								$internalErrors = libxml_use_internal_errors(true);
								
								$run_shortcodes = apply_filters( 'seopress_sitemaps_single_shortcodes', true );

if ($run_shortcodes === true) {
									$post_content = do_shortcode(get_post_field('post_content', $post));
								} else {
									$post_content = get_post_field('post_content', $post);
								}

if ($post_content !="") {
									if (function_exists('mb_convert_encoding')) {
										$dom->loadHTML(mb_convert_encoding($post_content, 'HTML-ENTITIES', 'UTF-8'));
									} else {
										$dom->loadHTML('<?xml encoding="utf-8" ?>'.$post_content);
									}

$dom->preserveWhiteSpace = false;

if ($dom->getElementsByTagName('img') !='') {
										$images = $dom->getElementsByTagName('img');
									}
								}
								libxml_use_internal_errors($internalErrors);
							}

//WooCommerce
				global $product;
				if ($product !='' && method_exists($product, 'get_gallery_image_ids')) {
					$product_img = $product->get_gallery_image_ids();
				}

//Post Thumbnail
				$post_thumbnail = get_the_post_thumbnail_url($post);
				$post_thumbnail_id = get_post_thumbnail_id($post);

if ((isset($images) && !empty ($images) && $images->length>=1) || (isset($product) && !empty($product_img)) || $post_thumbnail !='') {

//Standard img
					if (isset($images) && !empty ($images)) {
						if ($images->length>=1) {
							foreach($images as $img) {
								$url = $img->getAttribute('src');
								$url = apply_filters( 'seopress_sitemaps_single_img_url', $url );
								if ($url !='') {
									//Exclude Base64 img
									if (strpos($url, 'data:image/') === false) {
										/*
										 *  Initiate $seopress_url['images] and needed data for the sitemap image template
										 */

if (seopress_is_absolute($url) === true) {
											//do nothing
										} else {
											$url = $home_url.$url;
										}

//cleaning url
										$url = htmlspecialchars(urldecode(esc_attr(wp_filter_nohtml_kses($url))));

//remove query strings
										$parse_url = wp_parse_url($url);

if (!empty($parse_url['scheme']) && !empty($parse_url['host'])	&& !empty($parse_url['path'])) {
											$seopress_image_loc = '<![CDATA['.$parse_url['scheme'].'://'.$parse_url['host'].$parse_url['path'].']]>';
										} else {
											$seopress_image_loc = '<![CDATA['.$url.']]>';
										}
										$seopress_image_caption = '';
										if ($img->getAttribute('alt') !='') {
											$caption = htmlspecialchars($img->getAttribute('alt'));
											$seopress_image_caption = '<![CDATA['.$caption.']]>';
										}
										$seopress_image_title = '';
										if ($img->getAttribute('title') !='') {
											$title = htmlspecialchars($img->getAttribute('title'));
											$seopress_image_title = '<![CDATA['.$title.']]>';
										}

$seopress_url['images'][] = [
											'src' => $seopress_image_loc,
											'title' => $seopress_image_title,
											'alt' => $seopress_image_caption
										];

/*
										 * Build up the template.
										 */
										$seopress_sitemap_url .= '<image:image>';
										$seopress_sitemap_url .= "\n";
										$seopress_sitemap_url .= '<image:loc>';
										$seopress_sitemap_url .= $seopress_image_loc;
										$seopress_sitemap_url .= '</image:loc>';
										$seopress_sitemap_url .= "\n";

if ($seopress_image_title !='') {
											$seopress_sitemap_url .= '<image:title>';
											$seopress_sitemap_url .= $seopress_image_title;
											$seopress_sitemap_url .= '</image:title>';
											$seopress_sitemap_url .= "\n";
										}

if ($seopress_image_caption !='') {
											$seopress_sitemap_url .= '<image:caption>';
											$seopress_sitemap_url .= $seopress_image_caption;
											$seopress_sitemap_url .= '</image:caption>';
											$seopress_sitemap_url .= "\n";
										}

$seopress_sitemap_url .= '</image:image>';
										$seopress_sitemap_url .= "\n";
									}
								}
							}
						}
					}

//WooCommerce img
					if ($product !='' && $product_img !='') {
						foreach( $product_img as $product_attachment_id ) {

$seopress_image_loc = '<![CDATA['.esc_attr(wp_filter_nohtml_kses(wp_get_attachment_url( $product_attachment_id ))).']]>';

$seopress_image_title = '';
							if (get_the_title($product_attachment_id) !='') {
								$title = htmlspecialchars(get_the_title($product_attachment_id));
								$seopress_image_title .= '<![CDATA['.$title.']]>';
							}

$seopress_image_caption = '';
							if (get_post_meta($product_attachment_id, '_wp_attachment_image_alt', true) !='') {
								$caption = htmlspecialchars(get_post_meta($product_attachment_id, '_wp_attachment_image_alt', true));
								$seopress_image_caption .= '<![CDATA['.$caption.']]>';
							}

$seopress_url['images'][] = [
								'src' => $seopress_image_loc,
								'title' => $seopress_image_title,
								'caption' => $seopress_image_caption
							];

/*
							 * Build up the template.
							 */
							$seopress_sitemap_url .= '<image:image>';
							$seopress_sitemap_url .= "\n";
							$seopress_sitemap_url .= '<image:loc>';
							$seopress_sitemap_url .= $seopress_image_loc;
							$seopress_sitemap_url .= '</image:loc>';
							$seopress_sitemap_url .= "\n";

if ($seopress_image_title !='') {
								$seopress_sitemap_url .= '<image:title>';
								$seopress_sitemap_url .= $seopress_image_title;
								$seopress_sitemap_url .= '</image:title>';
								$seopress_sitemap_url .= "\n";
							}

if ( $seopress_image_caption !='') {
								$seopress_sitemap_url .= '<image:caption>';
								$seopress_sitemap_url .= $seopress_image_caption;
								$seopress_sitemap_url .= '</image:caption>';
								$seopress_sitemap_url .= "\n";
							}

$seopress_sitemap_url .= '</image:image>';
							$seopress_sitemap_url .= "\n";
						}
					}
					//Post thumbnail
					if ($post_thumbnail !='') {

$seopress_image_loc = '<![CDATA['.$post_thumbnail.']]>';

$seopress_image_title = '';
						if (get_the_title($post_thumbnail_id) !='') {
							$title = htmlspecialchars(get_the_title($post_thumbnail_id));
							$seopress_image_title = '<![CDATA['.$title.']]>';
						}

$seopress_image_caption = '';
						if (get_post_meta($post_thumbnail_id, '_wp_attachment_image_alt', true) !='') {
							$caption = htmlspecialchars(get_post_meta($post_thumbnail_id, '_wp_attachment_image_alt', true));
							$seopress_image_caption .= '<![CDATA['.$caption.']]>';
						}

$seopress_url['images'][] = [
							'src' => $seopress_image_loc,
							'title' => $seopress_image_title,
							'caption' => $seopress_image_caption
						];

/*
						 * Build up the template.
						 */
						$seopress_sitemap_url .= '<image:image>';
						$seopress_sitemap_url .= "\n";
						$seopress_sitemap_url .= '<image:loc>';
						$seopress_sitemap_url .= $seopress_image_loc;
						$seopress_sitemap_url .= '</image:loc>';
						$seopress_sitemap_url .= "\n";

if ($seopress_image_title !='') {
							$seopress_sitemap_url .= '<image:title>';
							$seopress_sitemap_url .= $seopress_image_title;
							$seopress_sitemap_url .= '</image:title>';
							$seopress_sitemap_url .= "\n";
						}

if ($seopress_image_caption !='') {
							$seopress_sitemap_url .= '<image:caption>';
							$seopress_sitemap_url .= $seopress_image_caption;
							$seopress_sitemap_url .= '</image:caption>';
							$seopress_sitemap_url .= "\n";
						}

$seopress_sitemap_url .= '</image:image>';
					}

$seopress_sitemap_url = apply_filters('seopress_sitemaps_single_img', $seopress_sitemap_url, $post);
				}
			}
		}
		$seopress_sitemap_url .= '</url>';
		$seopress_sitemap_url .= "\n";
		$seopress_sitemaps .= apply_filters('seopress_sitemaps_url', $seopress_sitemap_url, $seopress_url);
	}
	wp_reset_postdata();

$seopress_sitemaps .= '</urlset>';

$seopress_sitemaps = apply_filters( 'seopress_sitemaps_xml_single', $seopress_sitemaps );

return $seopress_sitemaps;
}
echo seopress_xml_sitemap_single();

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