Astra_Breadcrumb_Trail::add_path_parents( string $path )

	function add_path_parents( $path ) {

		// Trim '/' off $path in case we just got a simple '/' instead of a real path.
		$path = trim( $path, '/' );

		// If there's no path, return.
		if ( empty( $path ) ) {
			return;
		}
		// Get parent post by the path.
		$post = get_page_by_path( $path );

		if ( ! empty( $post ) ) {
			$this->add_post_parents( $post->ID );
		}

		elseif ( is_null( $post ) ) {

			// Separate post names into separate paths by '/'.
			$path = trim( $path, '/' );
			preg_match_all( "/\/.*?\z/", $path, $matches );

			// If matches are found for the path.
			if ( isset( $matches ) ) {

				// Reverse the array of matches to search for posts in the proper order.
				$matches = array_reverse( $matches );

				// Loop through each of the path matches.
				foreach ( $matches as $match ) {

					// If a match is found.
					if ( isset( $match[0] ) ) {

						// Get the parent post by the given path.
						$path = str_replace( $match[0], '', $path );
						$post = get_page_by_path( trim( $path, '/' ) );

						// If a parent post is found, set the $post_id and break out of the loop.
						if ( ! empty( $post ) && 0 < $post->ID ) {
							$this->add_post_parents( $post->ID );
							break;
						}
					}
				}
			}
		}
	}