! $options['copy_template'] ) {
			$meta_excludelist[] = '_wp_page_template';
		}
		if ( ! $options['copy_thumbnail'] ) {
			$meta_excludelist[] = '_thumbnail_id';
		}

		if ( $options['use_filters'] ) {
			/**
			 * Filters the meta fields excludelist when copying a post.
			 *
			 * @param array $meta_excludelist The meta fields excludelist from the options.
			 *
			 * @return array
			 */
			$meta_excludelist = \apply_filters( 'duplicate_post_excludelist_filter', $meta_excludelist );
		}

		$meta_excludelist_string = '(' . \implode( ')|(', $meta_excludelist ) . ')';
		if ( \strpos( $meta_excludelist_string, '*' ) !== false ) {
			$meta_excludelist_string = \str_replace( [ '*' ], [ '[a-zA-Z0-9_]*' ], $meta_excludelist_string );

			$meta_keys = [];
			foreach ( $post_meta_keys as $meta_key ) {
				if ( ! \preg_match( '#^' . $meta_excludelist_string . '$#', $meta_key ) ) {
					$meta_keys[] = $meta_key;
				}
			}
		}
		else {
			$meta_keys = \array_diff( $post_meta_keys, $meta_excludelist );
		}

		if ( $options['use_filters'] ) {
			/**
			 * Filters the list of meta fields names when copying a post.
			 *
			 * @param array $meta_keys The list of meta fields name, with the ones in the excludelist already removed.
			 *
			 * @return array
			 */
			$meta_keys = \apply_filters( 'duplicate_post_meta_keys_filter', $meta_keys );
		}

		foreach ( $meta_keys as $meta_key ) {
			$meta_values = \get_post_custom_values( $meta_key, $post->ID );

			// Clear existing meta data so that add_post_meta() works properly with non-unique keys.
			\delete_post_meta( $new_id, $meta_key );

			foreach ( $meta_values as $meta_value ) {
				$meta_value = \maybe_unserialize( $meta_value );
				\add_post_meta( $new_id, $meta_key, Utils::recursively_slash_strings( $meta_value ) );
			}
		}
	}

	/**
	 * Generates and returns the title for the copy.
	 *
	 * @param WP_Post $post    The original post object.
	 * @param array   $options The options array.
	 *
	 * @return string The calculated title for the copy.
	 */
	public function generate_copy_title( WP_Post $post, array $options ) {
		$prefix = \sanitize_text_field( $options['title_prefix'] );
		$suffix = \sanitize_text_field( $options['title_suffix'] );
		if ( $options['copy_title'] ) {
			$title = $post->post_title;
			if ( ! empty( $prefix ) ) {
				$prefix .= ' ';
			}
			if ( ! empty( $suffix ) ) {
				$suffix = ' ' . $suffix;
			}
		}
		else {
			$title = '';
		}
		return \trim( $prefix . $title . $suffix );
	}

	/**
	 * Generates and returns the status for the copy.
	 *
	 * @param WP_Post $post    The original post object.
	 * @param array   $options The options array.
	 *
	 * @return string The calculated status for the copy.
	 */
	public function generate_copy_status( WP_Post $post, array $options ) {
		$new_post_status = 'draft';

		if ( $options['copy_status'] ) {
			$new_post_status = $post->post_status;
			if ( $new_post_status === 'publish' || $new_post_status === 'future' ) {
				// Check if the user has the right capability.
				if ( \is_post_type_hierarchical( $post->post_type ) ) {
					if ( ! \current_user_can( 'publish_pages' ) ) {
						$new_post_status = 'pending';
					}
				}
				elseif ( ! \current_user_can( 'publish_posts' ) ) {
					$new_post_status = 'pending';
				}
			}
		}

		return $new_post_status;
	}

	/**
	 * Generates and returns the author ID for the copy.
	 *
	 * @param WP_Post $post    The original post object.
	 * @param array   $options The options array.
	 *
	 * @return int|string The calculated author ID for the copy.
	 */
	public function generate_copy_author( WP_Post $post, array $options ) {
		$new_post_author    = \wp_get_current_user();
		$new_post_author_id = $new_post_author->ID;
		if ( $options['copy_author'] ) {
			// Check if the user has the right capability.
			if ( \is_post_type_hierarchical( $post->post_type ) ) {
				if ( \current_user_can( 'edit_others_pages' ) ) {
					$new_post_author_id = $post->post_author;
				}
			}
			elseif ( \current_user_can( 'edit_others_posts' ) ) {
				$new_post_author_id = $post->post_author;
			}
		}

		return $new_post_author_id;
	}
}