View difference between Paste ID: xBF9NgY8 and 8J1kiz3T

 <?php
- * Detect product permalinks
+
 /**
-function pm_detect_post_slugs($query) {
+ * Use only for specific CPT posts
-	global $wpdb, $pm_query;
+
 define('PM_CPT_NAME', 'courses');
-	if(!empty($pm_query['uri'])) {
+
-		$post_name = basename($pm_query['uri']);
+
  * The function that detects the CPT posts permalinks
-		$sql_query = $wpdb->prepare(
+
-			"SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = 'product'",
+function pm_detect_cpt_slugs($query) {
-			array($post_name)
+	global $wpdb, $pm_query, $wp, $wp_rewrite;
-		);
+
-		$uri = $wpdb->get_var($sql_query);
+	// Do not run when Elementor is opened
 	if((!empty($_REQUEST['action']) && strpos($_REQUEST['action'], 'elementor') !== false) || isset($_REQUEST['elementor-preview'])) {
-		if(!empty($uri)) {
+		return $query;
-			$page = (!empty($query['page'])) ? $query['page'] : 1;
+
 
-				'product' => $uri,
+	// 1. Get the slug
-				'post_type' => 'product',
+	preg_match("/([^\/]+)(?:\/{$wp_rewrite->pagination_base}\/([\d]+))?$/", $wp->request, $parts);
-				'name' => $uri,
+
-				'page' => $page,
+	if(!empty($parts[1])) {
 		$post_name = basename($parts[1]);
 		$post_type = PM_CPT_NAME;
 
-			// Disable canonical redirect
+		// 2. Check if the slug is assigned to any post item
 		$sql_query = "SELECT ID FROM $wpdb->posts WHERE 1=1 AND post_name = %s AND post_type = %s";
 		$post_id = $wpdb->get_var($wpdb->prepare($sql_query, array($post_name, $post_type)));
 
 		// 3. Filter the query if post was found
 		if(!empty($post_id)) {
-			return $new_query;
+			$post = get_post($post_id);
 
 			if(empty($post->post_type)) { return $query; }
 
 			$post_type_object = get_post_type_object($post->post_type);
 			$final_uri = (!empty($post->post_name)) ? $post->post_name : false;
-add_filter('request', 'pm_detect_post_slugs');
+
 			// Fix for hierarchical CPT & pages
 			if(!(empty($post->ancestors)) && !empty($post_type_object->hierarchical)) {
-* Filter product permalinks
+				foreach($post->ancestors as $parent) {
-*/
+					$parent = get_post($parent);
-function bis_filter_product_permalinks($url, $element) {
+
-	if(!empty($element->post_type) && ($element->post_type == 'product')) {
+					if($parent && $parent->post_name) {
-		$home_base = trim(get_option('home'), '/');
+						$final_uri = $parent->post_name . '/' . $final_uri;
-
+					}
-		// $url = preg_replace('/(http(?:s)?:\/\/(?:www\.)?[^\/]+\/)([^\/]+)\/([^\/]+)/', '$1$3', $url);
+				}
-		$url = "{$home_base}/{$element->post_name}";
+			}
 
 			$new_query = array(
-	return user_trailingslashit($url);
+				'post_type' => $post->post_type,
 				$post->post_type => $final_uri,
-add_filter('post_type_link', 'bis_filter_product_permalinks', 999, 2);
+				'name' => $final_uri,
 				'do_not_redirect' => 1,
 			);
 
 			// 4. Disable canonical redirect
 			remove_action('template_redirect', 'wp_old_slug_redirect');
 			remove_action('template_redirect', 'redirect_canonical');
 			add_filter('wpml_is_redirected', '__return_false', 99, 2);
 			add_filter('pll_check_canonical_url', '__return_false', 99, 2);
 
 			$query = $new_query;
 		}
 	}
 
 	if(isset($_GET['debug_query'])) {
 		echo sprintf('<pre>Old query: %s</pre>', print_r($query, true));
 		echo (!empty($new_query)) ? sprintf('<pre>New query: %s</pre>', print_r($new_query, true)) : '';
 		echo (!empty($parts)) ? sprintf('<pre>Parts: %s</pre>', print_r($parts, true)) : '';
 		die();
 	}
 
 	return $query;
 }
 add_filter('request', 'pm_detect_cpt_slugs', 9999);
 
 function bis_filter_cpt_permalinks($url, $element) {
 	if(!empty($element->post_type) && ($element->post_type == PM_CPT_NAME)) {
 		$full_uri = get_page_uri($element->ID);
 		$url = trim(get_option('home'), '/') . "/{$full_uri}";
 	}
 
 	return $url;
 }
 add_filter('post_type_link', 'bis_filter_cpt_permalinks', 999, 2);
 
 function pm_redirect_native_cpt_permalinks() {
 	global $wp;
 
 	if(!empty($wp->request) && is_singular(PM_CPT_NAME)) {
 		$cpt_data = get_post_type_object(PM_CPT_NAME);
 		$cpt_slug = preg_quote($cpt_data->rewrite['slug'], '/');
 
 		if(!empty($cpt_slug) && preg_match("/^({$cpt_slug})/", $wp->request)) {
 			$url = get_permalink();
 			wp_safe_redirect($url, 301);
 			exit();
 		}
 	}
 }
 add_action('template_redirect', 'pm_redirect_native_cpt_permalinks', 1);