Permalink Manager - Site Kit by Google (compatibility snippet)

pm_gsk.php

<?php

function pm_fix_googlesitekit_urls() {
	global $permalink_manager_ignore_permalink_filters;

	if(is_user_logged_in() && isset($_GET['permaLink']) && class_exists('Permalink_Manager_Core_Functions')) {
		$old_url = trim(esc_url_raw($_GET['permaLink']), '/');
		$post = Permalink_Manager_Core_Functions::detect_post(null, $old_url, true);

		if(!empty($post->ID)) {
			$permalink_manager_ignore_permalink_filters = true;
			$new_url = trim(get_permalink($post->ID), '/');
			$permalink_manager_ignore_permalink_filters = false;

			if($new_url !== $old_url) {
				$new_url = urlencode($new_url);
				$target_url = admin_url("?page=googlesitekit-dashboard&permaLink={$new_url}");

				wp_safe_redirect($target_url);
				exit();
			}
		}
	}
}
add_action('init', 'pm_fix_googlesitekit_urls', 30);